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Battery recycling is a recycling activity that aims to reduce the number of
batteries Battery most often refers to: * Electric battery, a device that provides electrical power * Battery (crime), a crime involving unlawful physical contact Battery may also refer to: Energy source *Automotive battery, a device to provide power t ...
being disposed as municipal solid waste. Batteries contain a number of
heavy metals upright=1.2, Crystals of osmium, a heavy metal nearly twice as dense as lead">lead.html" ;"title="osmium, a heavy metal nearly twice as dense as lead">osmium, a heavy metal nearly twice as dense as lead Heavy metals are generally defined as ...
and
toxic Toxicity is the degree to which a chemical substance or a particular mixture of substances can damage an organism. Toxicity can refer to the effect on a whole organism, such as an animal, bacterium, or plant, as well as the effect on a subs ...
chemicals and disposing of them by the same process as regular household waste has raised concerns over soil contamination and water pollution.


Battery recycling by type

Most types of batteries can be recycled. However, some batteries are recycled more readily than others, such as lead–acid automotive batteries (nearly 90% are recycled) and
button cell A button cell, watch battery, or coin battery is a small single-cell battery shaped as a squat cylinder typically in diameter and high — resembling a button. Stainless steel usually forms the bottom body and positive terminal of the cell; i ...
s (because of the value and toxicity of their chemicals).
Rechargeable A rechargeable battery, storage battery, or secondary cell (formally a type of energy accumulator), is a type of electrical battery which can be charged, discharged into a load, and recharged many times, as opposed to a disposable or pri ...
nickel–cadmium (Ni-Cd), nickel metal hydride (Ni-MH), lithium-ion (Li-ion) and nickel–zinc (Ni-Zn), can also be recycled. Disposable alkaline batteries make up the vast majority of consumer battery use, but there is currently no cost-neutral recycling option. Consumer disposal guidelines vary by region. An evaluation of consumer alkaline battery recycling in Europe showed environmental benefit but at significant expense over disposal. Zinc–carbon and Zinc–air batteries are recycled in the same process. E.U. consumers recycled almost half of portable batteries bought in 2017.


Lead–acid batteries

Lead-acid batteries include but are not limited to: car batteries,
golf cart A golf cart (alternatively known as a golf buggy or golf car) is a small motorized vehicle designed originally to carry two golfers and their golf clubs around a golf course with less effort than walking. Over time, variants were introduced ...
batteries,
UPS UPS or ups may refer to: Companies and organizations * United Parcel Service, an American shipping company ** The UPS Store, UPS subsidiary ** UPS Airlines, UPS subsidiary * Underground Press Syndicate, later ''Alternative Press Syndicate'' or ...
batteries, industrial fork-lift batteries, motorcycle batteries, and commercial batteries. These can be regular lead–acid, sealed lead–acid, gel type, or
absorbent glass mat A valve regulated lead–acid (VRLA) battery, commonly known as a sealed lead–acid (SLA) battery, is a type of lead–acid battery characterized by a limited amount of electrolyte ("starved" electrolyte) absorbed in a plate separator or formed ...
batteries. These are recycled by grinding them, neutralizing the acid, and separating the polymers from the lead. The recovered materials are used in a variety of applications, including new batteries. The lead in a lead–acid battery can be recycled. Elemental lead is toxic and should therefore be kept out of the waste stream. The casing of a Lead–acid battery is often made of either polypropylene or ABS, which can also be recycled, although there are significant limitations on recycling plastics. Many cities offer battery recycling services for lead–acid batteries. In some jurisdictions, including
U.S. state In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sov ...
s and
Canadian provinces Within the geographical areas of Canada, the ten provinces and three territories are sub-national administrative divisions under the jurisdiction of the Canadian Constitution. In the 1867 Canadian Confederation, three provinces of British Nort ...
, a refundable deposit is paid on batteries. This encourages recycling of old batteries instead of abandonment or disposal with household waste. Businesses that sell new car batteries may also collect used batteries (or be required to do so by law) for recycling. A 2019 study commissioned by battery-industry promotional group, the Battery Council, calculated battery lead recycling rates in the United States in the period 2014–2018, taking into account battery scrap lead import/export data from the Department of Commerce. The report says that, after accounting for net scrap battery lead exports from the United States, 99.0% of the remaining lead from lead-acid batteries in the United States is reclaimed. The Battery Council figures indicate that around 15.5 billion pounds of battery lead was consumed in the USA in that period, with a net amount of approximately 2 billion pounds battery scrap lead being exported. Of the 13.6 billion pounds remaining after exports, 13.5 billion pounds were recycled. The U.S. Environmental Protection Agency (EPA), has reported lesser and varying levels of lead-acid battery recycling in the United States in earlier years, under various administrations, Republican and Democrat. The EPA reported in 1987 that varying economics and regulatory requirements have contributed to rates of 97 percent in 1965, above 83 percent in 1980, 61 percent in 1983, and around 70 percent in 1985.''The Impacts of Lead Industry Economics and Hazardous Waste Regulations on Lead-Acid Battery Recycling: Revision and Update,''
p.22. September 1987, prepared for the Office of Policy Analysis, U.S. Environmental Protection Agency, by Putnam, Hayes & Bartlett, Inc., Cambridge, Massachusetts, (also a

retrieved May 15, 2021
Nevertheless, in October 2020, near the end of the Trump administration, the EPA posted the statement that "In 2018, the estimated amount of recycled battery lead was about 99 percent," without explicitly citing the source of the estimate, but indirectly indicating involvement of industry sources."Other Nonferrous Metals Material-Specific Data"
in ''Facts and Figures about Materials, Waste and Recycling,'' October 2020, U.S. Environmental Protection Agency, retrieved May 15, 2021 (a linke
methodology addendum
noted "''Using data from industrial associations, key businesses and similar industry sources, as well as government sources such as the Department of Commerce and the U.S. Census Bureau, EPA estimates the tons of materials generated, recycled, composted or sent to combustion facilities and landfills.''")
According to a 1992 EPA
Superfund Superfund is a United States federal environmental remediation program established by the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (CERCLA). The program is administered by the United States Environmental Pro ...
report, lead batteries account for about 80% of the lead used in the United States, of which about 60% is reclaimed during times of low lead prices, but more in times of high lead prices; it reported that 50% of the nation's lead needs are filled from recycled lead."Engineering Bulletin: Selection of Control Technologies for Remediation of Lead Battery Recycling Sites"
September 1992,
Superfund Superfund is a United States federal environmental remediation program established by the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (CERCLA). The program is administered by the United States Environmental Pro ...
: EPA/540/S-95/011, U.S. Environmental Protection Agency, (also at

retrieved May 15, 2021
Lead is a highly toxic substance, and processing it can result in pollution and contamination of people, resulting in long-term health problems and even disability.Ericson, Bret; Howard Hu; Emily Nash; Greg Ferraro; Julia Sinitsky; Mark Patrick Taylor
"Blood lead levels in low-income and middle-income countries: a systematic review,"
March 2021 '' The Lancet Planetary Health,'' of '' The Lancet,'' DOI:https://doi.org/10.1016/S2542-5196(20)30278-3•, as cited i
"Pure Earth, USC and Macquarie University Publish Landmark Lead Study in The Lancet Planetary Health Journal,"
''The Pollution Blog,'' Pure Earth, retrieved May 15, 2021
Pearce, Fred
"Getting the Lead Out: Why Battery Recycling Is a Global Health Hazard,"
November 2, 2020, ''
Yale Environment 360 Yale Environment 360 (abbreviated as E360) is an American online magazine focused on environmental journalism. It includes original reporting, analysis, interviews, and multimedia content. Yale Environment 360 is published by the Yale School of t ...
,'' Yale School of the Environment, Yale University, retrieved May 15, 2021
According to one ranking, lead-acid battery recycling is, by far, the most deadly industrial process, globally, in terms of
Disability-adjusted life year The disability-adjusted life year (DALY) is a measure of overall disease burden, expressed as the number of years lost due to ill-health, disability or early death. It was developed in the 1990s as a way of comparing the overall health and life ex ...
s lost—costing between 2,000,000 and 4,800,000 estimated lost years of individual human life.Ballantyne, Andrew D.; Jason P. Hallett; D. Jason Riley; Nilay Shah; and David J. Payne
"Lead acid battery recycling for the twenty-first century"
R Soc Open Sci. 2018 May; 5(5): 171368, '' Royal Society Open Science,'' posted on the NCBI site of the U.S. National Institutes of Health, PMCID: PMC5990833, PMID 29892351, doi: 10.1098/rsos.171368, retrieved May 15, 2021
Lead contamination of neighborhoods has resulted from the process of recycling batteries. In 1992, the EPA reported 29 lead-recycling sites were on the EPA's
Superfund Superfund is a United States federal environmental remediation program established by the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (CERCLA). The program is administered by the United States Environmental Pro ...
clean-up list, 22 of them on their "National Priority List"


Silver oxide batteries

Used most frequently in watches, toys, and some medical devices, silver oxide batteries contain a small amount of mercury. Most jurisdictions regulate their handling and disposal to reduce the discharge of mercury into the environment. Silver oxide batteries can be recycled to recover the mercury.


Lithium ion batteries

Lithium-ion batteries and lithium iron phosphate (LiFePO4) batteries often contain among other useful metals high-grade copper and
aluminium Aluminium (aluminum in American and Canadian English) is a chemical element with the symbol Al and atomic number 13. Aluminium has a density lower than those of other common metals, at approximately one third that of steel. It has ...
in addition to – depending on the active material – transition metals
cobalt Cobalt is a chemical element with the symbol Co and atomic number 27. As with nickel, cobalt is found in the Earth's crust only in a chemically combined form, save for small deposits found in alloys of natural meteoric iron. The free element, pro ...
and nickel as well as rare earths. To prevent a future shortage of cobalt, nickel, and lithium and to enable a sustainable life cycle of these technologies, recycling processes for lithium batteries are needed. These processes have to regain not only
cobalt Cobalt is a chemical element with the symbol Co and atomic number 27. As with nickel, cobalt is found in the Earth's crust only in a chemically combined form, save for small deposits found in alloys of natural meteoric iron. The free element, pro ...
, nickel, copper, and aluminium from spent battery cells, but also a significant share of lithium. Other potentially valuable and recoverable materials are graphite and manganese. Recycling processes today recover approximately 25% to 96% of the materials of a lithium-ion battery cell. In order to achieve this goal, several steps are combined into complex process chains, while ensuring safety. These steps are: *Deactivation or discharging of the battery (especially in case of batteries from electric vehicles) *
Disassembly A disassembler is a computer program that translates machine language into assembly language—the inverse operation to that of an assembler. A disassembler differs from a decompiler, which targets a high-level language rather than an assembly lan ...
of battery systems (especially in case of batteries from electric vehicles) *Mechanical processes (including crushing, sorting, and sieving processes) *Electrolyte recovery * Hydrometallurgical processes *
Pyrometallurgical Pyrometallurgy is a branch of extractive metallurgy. It consists of the thermal treatment of minerals and metallurgical ores and concentrates to bring about physical and chemical transformations in the materials to enable recovery of valuable ...
processes Specific dangers associated with lithium-ion battery recycling processes include electrical, chemical, and thermal dangers, and their potential interactions. A complicating factor is the water sensitivity:
lithium hexafluorophosphate Lithium hexafluorophosphate is an inorganic compound with the formula Li PF6. It is a white crystalline powder. Production LiPF6 is manufactured by reacting phosphorus pentachloride with hydrogen fluoride and lithium fluoride :PCl5 + LiF + ...
, a possible electrolyte material, reacts with water to form
hydrofluoric acid Hydrofluoric acid is a solution of hydrogen fluoride (HF) in water. Solutions of HF are colourless, acidic and highly corrosive. It is used to make most fluorine-containing compounds; examples include the commonly used pharmaceutical antidepress ...
; cells are often immersed in a solvent to prevent this. Once removed, the jelly rolls are separated and the materials removed by ultrasonic agitation, leaving the electrodes ready for melting and recycling. Pouch cells are easier to recycle to salvage copper despite significant safety issues. , the recycling of Li-Ion batteries in most cases does not extract lithium since lithium-ion battery technology continuously changes and processes to recycle these batteries can thus be outdated in a couple of years. Extraction of lithium from old batteries is five times more expensive than mined lithium. However, lithium extraction is done on a small scale (by some companies). The thermodynamic model is being developed to optimize the lithium extraction; thus, lithium is recycled with all the other metals in one step with less cost. A critical part of recycling economics is the value of the recovered cobalt. Manufacturers working to remove cobalt from their products might produce the unintended consequence of reducing recycling. A new approach is to maintain the cathode's crystalline structure, eliminating the significant energy expense of recreating it. Another approach is to use ultrasound for separating the individual cathode components. Energy saving and effective recycling solutions for lithium-ion batteries can reduce the
carbon footprint A carbon footprint is the total greenhouse gas (GHG) emissions caused by an individual, event, organization, service, place or product, expressed as carbon dioxide equivalent (CO2e). Greenhouse gases, including the carbon-containing gases carb ...
of the production of lithium-ion batteries significantly. , several facilities are operating and under construction, including Fredrikstad in Norway. In early 2022, research published in Joule showed that recycling existing lithium-ion batteries by focusing on a method that refurbishes the cathode showed that this technique perform just as well as those with a cathode made from original materials. The study showed that the batteries using the recycled cathode charged faster and lasted longer than new batteries.


Battery composition by type

''Italics'' designates button cell types.
Bold designates secondary types.
All figures are percentages; due to rounding they may not add up to exactly 100.


Battery recycling by location

Battery recycling is an international industry, with many nations exporting their used or spent lead-acid batteries (ULABs or SLABs) to other nations for recycling. Consequently, it can be difficult to get accurate analyses of individual nations' exact rate of domestic recycling."Implementation Resources for Spent Lead-Acid Battery Exporters,"
in "Wastes - Hazardous Waste - International Waste Activities," U.S. Environmental Protection Agency, retrieved May 15, 2021
Further, in many countries, lead-acid battery recycling (chiefly from automobiles and motorcycles) is commonly done informally by individuals or informal enterprises, with little or no formal record-keeping, nor effective regulatory oversight. ULABs and SLABs are generally designated as " hazardous waste" and subject to relevant safety, storage, handling and transport regulations, though those vary from country to country. A multilateral international agreement, the
Basel Convention The Basel Convention on the Control of Transboundary Movements of Hazardous Wastes and Their Disposal, usually known as the Basel Convention, is an international treaty that was designed to reduce the movements of hazardous waste between nations ...
, officially governs all transboundary movements of hazardous waste for recovery or disposal, among the 172 signatory countries. (The U.S. is not a party, but has alternate arrangements with the
Organisation for Economic Co-operation and Development The Organisation for Economic Co-operation and Development (OECD; french: Organisation de coopération et de développement économiques, ''OCDE'') is an intergovernmental organisation with 38 member countries, founded in 1961 to stimulate e ...
(OECD), and with Canada and with Mexico (where it ships many ULABs and SLABs for recycling). * Figures for Q1 and Q2 2012.


European Union

In 2006, the EU passed the
Battery Directive The ''Directive 2006/66/EC of the European Parliament and of the Council of 6 September 2006 on batteries and accumulators and waste batteries and accumulators and repealing Directive 91/157/EEC'', commonly known as the Battery Directive, regula ...
, one of the aims of which is a higher rate of battery recycling. The EU directive states that at least 25% of all the EU's used batteries must be collected by 2012, and rising to no less than 45% by 2016, of which at least 50% must be recycled.


Channel Islands

In early 2009,
Guernsey Guernsey (; Guernésiais: ''Guernési''; french: Guernesey) is an island in the English Channel off the coast of Normandy that is part of the Bailiwick of Guernsey, a British Crown Dependency. It is the second largest of the Channel Islands, ...
took the initiative by setting up the Longue Hougue recycling facility, which, among other functions, offers a drop-off point for used batteries so they can be recycled off-island. The resulting publicity meant that a lot of people complied with the request to dispose of batteries responsibly.


United Kingdom

From April 2005 to March 2008, the UK non-governmental body WRAP conducted trials of battery recycling methods around the UK. The methods tested were: Kerbside, retail drop-off, community drop-off, postal, and hospital and fire station trials. The kerbside trials collected the most battery mass, and were the most well-received and understood by the public. The community drop-off containers that were spread around local community areas were also relatively successful in terms of mass of batteries collected. The lowest performing were the hospital and fire service trials (although these served their purpose very well for specialized battery types like hearing aid and smoke alarm batteries). Retail drop off trials were by volume the second most effective method but one of the least well received and used by the public. Both the kerbside and postal trials received the highest awareness and community support. Household batteries can be recycled in the UK at council recycling sites as well as at some shops and shopping centres, e.g. Currys, and The Link''.''Guardian Newspaper Online, Leo Hickman 13-12-2007
''Battery Recycling and Ethical Living''. Retrieved 9 September 2008.
A scheme started in 2008 by a large retail company allowed household batteries to be posted free of charge in envelopes available at their shops. This scheme was cancelled at the request of the Royal Mail because of hazardous industrial battery waste being sent as well as household batteries. From 1 February 2010, batteries can be recycled anywhere the "Be Positive" sign appears. Shops and online retailers that sell more than 32 kilograms of batteries a year must offer facilities to recycle batteries. This is equivalent to one pack of four
AA batteries AA, Aa, Double A, or Double-A may refer to: Arts, entertainment and media * ''America's Army'', a 2002 computer game published by the U.S. Army * '' Ancient Anguish'', a computer game in existence since 1992 * Aa!, a J-Pop musical group * Dou ...
a day. Shops that sell this amount must by law provide recycling facilities as of 1 February 2010.Directgov, 22 January 2010
. ''Recycling batteries: Directgov – Environment and greener living''.
In Great Britain an increasing number of shops (Argos, Homebase, B&Q, Tesco, and Sainsbury's) are providing battery return boxes and cylinders for their customers.Info on store takeback
. ''Press article from 'Register Hardware 27 October 2006''. Retrieved 9 September 2008.
Info on recycling
''WRAP – "RecycleNow" National Recycling Campaign for England''. Retrieved 24 January 2020.


North America

The rechargeable battery industry has formed the Rechargeable Battery Recycling Corporation (RBRC), which operates a battery recycling program called
Call2Recycle Call2Recycle is a rechargeable battery and cellphone collection program. History The program launched in the U.S. in 1996 (1997 in Canada) as ''Charge Up to Recycle!'' to collect and recycle Nickel Cadmium (Ni-Cd) batteries. In 2001, the progra ...
throughout the United States and Canada. RBRC provides businesses with prepaid
shipping containers A shipping container is a container with strength suitable to withstand shipment, storage, and handling. Shipping containers range from large reusable steel boxes used for intermodal shipments to the ubiquitous corrugated boxes. In the context o ...
for rechargeable batteries of all types while consumers can drop off batteries at numerous participating collection centers. It claims that no component of any recycled battery eventually reaches a landfill. Other programs, such as the Big Green Box program, offer a recycling option for all chemistries, including primary batteries such as alkaline and primary lithium. A study estimated battery recycling rates in Canada based on RBRC data. In 2002, it wrote, the collection rate was 3.2%. This implies that 3.2% of rechargeable batteries were recycled, and the rest were thrown in the trash. By 2005, it concluded, the collection rate had risen to 5.6%. In 2009, Kelleher Environmental updated the study. The update estimates the following. "Collection rate values for the 5 nd15-year hoarding assumptions respectively are: 8% to 9% for NiCd batteries; 7% to 8% for NiMH batteries; and 45% to 72% for lithium ion and lithium polymer batteries combined. Collection rates through the BRCprogram for all end of life small sealed lead acid (SLA) consumer batteries were estimated at 10% for 5-year and 15-year hoarding assumptions. ..It should also be stressed that these figures do not take collection of secondary consumer batteries through other sources into account, and actual collection rates are likely higher than these values." A November 2011 '' The New York Times'' article reported that batteries collected in the United States are increasingly being transported to Mexico for recycling as a result of a widening gap between the strictness of environmental and labor regulations between the two countries. In 2015, Energizer announced availability of disposable AAA and AA alkaline batteries made with 3.8% to 4% (by weight) of recycled batteries, branded as EcoAdvanced.


Japan

Japan does not have a single national battery recycling law, so the advice given is to follow local and regional statutes and codes in disposing batteries. The Battery Association of Japan (BAJ) recommends that alkaline, zinc-carbon, and lithium primary batteries can be disposed of as normal household waste. The BAJ's stance on button cell and secondary batteries is toward recycling and increasing national standardisation of procedures for dealing with these types of batteries. In April 2004, th
Japan Portable Rechargeable Battery Recycling Center (JBRC)
was created to handle and promote battery recycling throughout Japan. They provide battery recycling containers to shops and other collection points.
JBRC Homepage – Google webcache


India

India is one of the world's chief consumers of lead-acid batteries, according to the India Lead Zinc Development Association (ILZDA).Slingal, Nidh

March 18, 2021, '' Business Today'' (India), retrieved May 15, 2021
India, with its recent rapid rise in average wealth, has seen a marked increase in motor vehicles, and a corresponding increase in lead-acid battery recycling. India lacks a formal planned recycling industry. The industry is not respected, and lacks designated zones for recycling. However, in a nation with a vast population of people still in poverty, most lead-acid battery recycling is by individuals and small informal enterprises, often taking no safety or environmental precautions.Varshney, Kalpna; Pradeep K. Varshney; Kajal Gautam; Monika Tanwar; Meghna Chaudhary
"Current trends and future perspectives in the recycling of spent lead acid batteries in India,"
''Materials Today: Proceedings,'' Volume 26, Part 2, 2020, Pages 592-602, retrieved from the National Institutes of Health, May 15, 2021
ILZDA has demanded multiple changes to India's industry and its regulation, including the registration of all battery dealers, and the collection of their returns, and recognition of the best-registered recyclers, while enforcing punishments for violators of government regulations. Two of India's largest lead companies—lead manufacturer/exporter Gravita India and lead battery manufacturer Amara Raja—partnered to annually recycle 8,000 tonnes of lead scrap from Amara Raja's facilities, and return it to them for re-use (Gravita said it can recycle and process up to 50,000 tonnes of lead and aluminium yearly). The companies said the joint program is to advance environment protection and sustainability."Two of India’s largest lead firms sign recycling deal,"
May 23, 2018, ''Batteries International,'' retrieved May 15, 2021


See also

*
Electronic waste Electronic waste or e-waste describes discarded electrical or electronic devices. Used electronics which are destined for refurbishment, reuse, resale, salvage recycling through material recovery, or disposal are also considered e-waste. Inform ...
* WEEE directive (Waste Electrical and Electronic Equipment) *
Battery (electricity) An electric battery is a source of electric power consisting of one or more electrochemical cells with external connections for powering electrical devices. When a battery is supplying power, its positive terminal is the cathode and its negati ...
*
Rechargeable battery A rechargeable battery, storage battery, or secondary cell (formally a type of energy accumulator), is a type of electrical battery which can be charged, discharged into a load, and recharged many times, as opposed to a disposable or prima ...


References


Further reading

*


External links

*
Taking Batteries Green
, '' ECN Magazine'' article from 2010 {{DEFAULTSORT:Battery Recycling