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Alphabet Energy
Alphabet Energy was a startup company founded in 2009 at the University of California, Berkeley by thermoelectrics expert Matthew L. Scullin and Peidong Yang. The company uses nanotechnology and materials science applications to create thermoelectric generators that are more cost effective than previous bismuth telluride-based devices. The company is based in Hayward, California. It started with a license to use silicon nanowire developed at Lawrence Berkeley National Laboratory. They moved from UC Berkeley to offices in San Francisco in 2011, and later to Hayward. Alphabet has a number of patents related to the capture of waste heat for purposes of electricity generation. The company is working with tetrahedrite, a common mineral with thermoelectric properties. 2011's '' The Lean Startup: How Today's Entrepreneurs Use Continuous Innovation to Create Radically Successful Businesses'' describes Alphabet Energy's approach to product development as an example of the successful prac ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Private Company
A privately held company (or simply a private company) is a company whose shares and related rights or obligations are not offered for public subscription or publicly negotiated in the respective listed markets, but rather the company's stock is offered, owned, traded, exchanged privately, or Over-the-counter (finance), over-the-counter. In the case of a closed corporation, there are a relatively small number of shareholders or company members. Related terms are closely-held corporation, unquoted company, and unlisted company. Though less visible than their public company, publicly traded counterparts, private companies have major importance in the world's economy. In 2008, the 441 list of largest private non-governmental companies by revenue, largest private companies in the United States accounted for ($1.8 trillion) in revenues and employed 6.2 million people, according to ''Forbes''. In 2005, using a substantially smaller pool size (22.7%) for comparison, the 339 companies on ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Waste Heat
Waste heat is heat that is produced by a machine, or other process that uses energy, as a byproduct of doing work. All such processes give off some waste heat as a fundamental result of the laws of thermodynamics. Waste heat has lower utility (or in thermodynamics lexicon a lower exergy or higher entropy) than the original energy source. Sources of waste heat include all manner of human activities, natural systems, and all organisms, for example, incandescent light bulbs get hot, a refrigerator warms the room air, a building gets hot during peak hours, an internal combustion engine generates high-temperature exhaust gases, and electronic components get warm when in operation. Instead of being "wasted" by release into the ambient environment, sometimes waste heat (or cold) can be used by another process (such as using hot engine coolant to heat a vehicle), or a portion of heat that would otherwise be wasted can be reused in the same process if make-up heat is added to the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nanotechnology Companies
Nanotechnology, also shortened to nanotech, is the use of matter on an atomic, molecular, and supramolecular scale for industrial purposes. The earliest, widespread description of nanotechnology referred to the particular technological goal of precisely manipulating atoms and molecules for fabrication of macroscale products, also now referred to as molecular nanotechnology. A more generalized description of nanotechnology was subsequently established by the National Nanotechnology Initiative, which defined nanotechnology as the manipulation of matter with at least one dimension sized from 1 to 100 nanometers (nm). This definition reflects the fact that quantum mechanical effects are important at this quantum-realm scale, and so the definition shifted from a particular technological goal to a research category inclusive of all types of research and technologies that deal with the special properties of matter which occur below the given size threshold. It is therefore common to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Waste Heat Recovery Unit
A waste heat recovery unit (WHRU) is an energy recovery heat exchanger that transfers heat from process outputs at high temperature to another part of the process for some purpose, usually increased efficiency. The WHRU is a tool involved in cogeneration. Waste heat may be extracted from sources such as hot flue gases from a diesel generator, steam from cooling towers, or even waste water from cooling processes such as in steel cooling. Heat recovery units Waste heat found in the exhaust gas of various processes or even from the exhaust stream of a conditioning unit can be used to preheat the incoming gas. This is one of the basic methods for recovery of waste heat. Many steel making plants use this process as an economic method to increase the production of the plant with lower fuel demand. There are many different commercial recovery units for the transferring of energy from hot medium space to lower one: * Recuperators: This name is given to different types of heat exchan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
California Energy Commission
The California Energy Commission, formally the Energy Resources Conservation and Development Commission, is the primary energy policy and planning agency for California. Created in 1974 and headquartered in Sacramento, the Commission'core responsibilitiesinclude: * Advancing State Energy Policy * Achieving Energy Efficiency * Investing in Energy Innovation * Developing Renewable Energy * Transforming Transportation * Overseeing Energy Infrastructure * Preparing for Energy Emergencies The Commission is a division of the California Natural Resources Agency, which is under the direction of Cabinet Secretary Wade Crowfoot. One of its prominent responsibilities is maintenance of the California Energy Code. History Charles Warren and Al Alquist, California politicians, co-authored the 1974 Warren–Alquist State Energy Resources Conservation and Development Act that created the Commission. The Act required that, prior to constructing or modifying an electric generating plant, the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alphabet Inc
Alphabet Inc. is an American multinational technology conglomerate holding company headquartered in Mountain View, California. It was created through a restructuring of Google on October 2, 2015, and became the parent company of Google and several former Google subsidiaries. Alphabet is the world's third-largest technology company by revenue and one of the world's most valuable companies. It is one of the Big Five American information technology companies, alongside Amazon, Apple, Meta and Microsoft. The establishment of Alphabet Inc. was prompted by a desire to make the core Google business "cleaner and more accountable" while allowing greater autonomy to group companies that operate in businesses other than Internet services. Founders Larry Page and Sergey Brin announced their resignation from their executive posts in December 2019, with the CEO role to be filled by Sundar Pichai, also the CEO of Google. Page and Brin remain employees, board members, and controlling sh ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Thermoelectric Effect
The thermoelectric effect is the direct conversion of temperature differences to electric voltage and vice versa via a thermocouple. A thermoelectric device creates a voltage when there is a different temperature on each side. Conversely, when a voltage is applied to it, heat is transferred from one side to the other, creating a temperature difference. At the atomic scale, an applied temperature gradient causes charge carriers in the material to diffuse from the hot side to the cold side. This effect can be used to generate electricity, measure temperature or change the temperature of objects. Because the direction of heating and cooling is affected by the applied voltage, thermoelectric devices can be used as temperature controllers. The term "thermoelectric effect" encompasses three separately identified effects: the Seebeck effect, Peltier effect, and Thomson effect. The Seebeck and Peltier effects are different manifestations of the same physical process; textbooks may re ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alpha
Alpha (uppercase , lowercase ; grc, ἄλφα, ''álpha'', or ell, άλφα, álfa) is the first letter of the Greek alphabet. In the system of Greek numerals, it has a value of one. Alpha is derived from the Phoenician letter aleph , which is the West Semitic word for " ox". Letters that arose from alpha include the Latin letter A and the Cyrillic letter А. Uses Greek In Ancient Greek, alpha was pronounced and could be either phonemically long ( ː or short ( . Where there is ambiguity, long and short alpha are sometimes written with a macron and breve today: Ᾱᾱ, Ᾰᾰ. * ὥρα = ὥρᾱ ''hōrā'' "a time" * γλῶσσα = γλῶσσᾰ ''glôssa'' "tongue" In Modern Greek, vowel length has been lost, and all instances of alpha simply represent the open front unrounded vowel . In the polytonic orthography of Greek, alpha, like other vowel letters, can occur with several diacritic marks: any of three accent symbols (), and either of two breathing mark ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
CERAWeek
CERAWeek is an annual energy conference organized by the information and insights company IHS Markit in Houston, Texas. The conference provides a platform for discussion on a range of energy-related topics; CERAWeek 2019 featured sessions on the world economic outlook, geopolitics, energy policy and regulation, climate change and technological innovation, among other topics. The conference features prominent speakers from energy, policy, technology, and financial industries, and is chaired by Pulitzer Prize winner Daniel Yergin, vice-chairman, IHS Markit and Jamey Rosenfield, vice chair, CERAWeek, senior vice president, IHS Markit. Both are co-founders of Cambridge Energy Research Associates. The 39th annual CERAWeek conference, scheduled for March 9 to 13, 2020, in Houston, Texas, was canceled. Speakers and Attendees CERAWeek attracts executives, government officials and thought leaders from the energy, policy, technology, and financial industries to Houston each year. In 2019, t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
World Economic Forum
The World Economic Forum (WEF) is an international non-governmental and lobbying organisation based in Cologny, canton of Geneva, Switzerland. It was founded on 24 January 1971 by German engineer and economist Klaus Schwab. The foundation, which is mostly funded by its 1,000 member companies – typically global enterprises with more than five billion US dollars in turnover – as well as public subsidies, views its own mission as "improving the state of the world by engaging business, political, academic, and other leaders of society to shape global, regional, and industry agendas". The WEF is mostly known for its annual meeting at the end of January in Davos, a mountain resort in the eastern Alps region of Switzerland. The meeting brings together some 3,000 paying members and selected participants – among whom are investors, business leaders, political leaders, economists, celebrities and journalists – for up to five days to discuss global issues across 500 sessions. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Encana
Ovintiv Inc. is a hydrocarbon exploration and production company organized in Delaware and headquartered in Denver, United States. It was founded and headquartered in Calgary, Alberta, under its previous name Encana. It was the largest energy company and largest natural gas producer in Canada, before moving to the United States in 2020. The company was rebranded as Ovintiv and relocated to Denver in 201920. Hydrocarbon production In 2021, the company's average production was per day, of which 26% was petroleum, 25% was natural gas liquids, and 49% was natural gas. Of 2021 production, 56% was in the United States and 44% was in Canada. History 1880s to 2002 - Canadian Pacific and PanCanadian years When the Canadian Pacific Railway was formed, the government of Sir John A. Macdonald compensated it for assuming the risk of developing the railroad with the subsurface rights for a checkerboard pattern of most of Alberta and part of Saskatchewan. These rights were later spun off ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
TPG Capital
TPG Inc., previously known as Texas Pacific Group and TPG Capital, is an American investment company based in Fort Worth, Texas. The private equity firm is focused on leveraged buyouts and growth capital. TPG manages investment funds in growth capital, venture capital, public equity, and debt investments. The firm invests in a range of industries including consumer/retail, media and telecommunications, industrials, technology, travel, leisure, and health care. The firm was founded in 1992 by David Bonderman, James Coulter, and William S. Price III and has raised $50 billion of investor commitments across more than 18 private equity funds.Source: Preqin Private equity funds TPG has historically relied primarily on private equity funds, pools of committed capital from pension funds, insurance companies, endowments, fund of funds, high-net-worth individuals, sovereign wealth funds, and from other institutional investors. History and notable investments Founding Texas P ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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