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Evlib2009forum7
The document discusses key materials challenges for electric vehicle batteries, including safety, availability over a wide temperature range, durability for 10-15 years of operation, and cost. It examines several cathode chemistries and their properties, finding that LiFePO4 provides the best safety properties while NCA and NCM offer higher energy density. The document also analyzes anode materials, concluding that while hard carbon has the highest capacity, Li4Ti5O5 may be best for next generation vehicles due to its high rate charging ability especially at low temperatures. Overall, the document determines that LiFePO4 is currently one of the best cathode platforms for electric vehicles, but continued research is needed to improve performance and lower costs.
Evlib part 2
This document summarizes a presentation on lithium-ion batteries for electric vehicles given in Shanghai, China in September 2009. The presentation covered key challenges for battery materials including safety, operating temperature range, durability over many charge/discharge cycles and years of use, and low production costs. It also discussed cathode chemistries used by Lishen Battery, including lithium manganese oxide (LiMn2O4) which has better safety but lower capacity than lithium iron phosphate (LiFePO4).
Evlib2009forum8
The document discusses tools and methods for analyzing battery performance and health. It describes using modeling and simulation informed by laboratory testing at the small scale and field data collection. Testing protocols are derived from representative usage schedules to understand rate, temperature, and age effects. Single cell and pack models are developed from performance tests. Diagnostic and prognostic tools are created from testing knowledge to identify anomalies and forecast performance. Maintaining traceability of materials and equipment is important for recall management. Data analysis of factors like geography and time in service helps determine recall scope.
El sistema solar
El documento describe el sistema solar, incluyendo los 8 planetas que orbitan alrededor del Sol, así como los principales movimientos de la Tierra de rotación, traslación, precesión y nutación. Explica brevemente las características de cada planeta y cómo la Tierra se mueve a través del espacio.
Tipping point
Its a wonderful book written by Malcolm Gladwell.
We had prepared the presentation to show the typical Consumer Behavior
Turkel Design Portfolio
Turkel Design is one of the preferred architectural firms of Janstar Homes, they are a small residential design practice whose primary reason for being is to help our clients build thoughtfully-conceived homes that can be constructed within their budgets.
http://www.janstar.com/ ; www.turkeldesign.com
Evlib2009forum2
This document discusses the impacts of fast charging on electric vehicle batteries. Fast charging can negatively impact battery life by causing elevated temperatures inside the battery. Standards are needed for safety, communication protocols, and connector requirements for electric vehicle charging. Certification of early charging stations revealed issues like a lack of communication between vehicle and charger manufacturers. Overall, fast charging presents opportunities but also risks that require reducing through safety standards, innovation, and cooperation across industries.
Recommended
Evlib2009forum7
The document discusses key materials challenges for electric vehicle batteries, including safety, availability over a wide temperature range, durability for 10-15 years of operation, and cost. It examines several cathode chemistries and their properties, finding that LiFePO4 provides the best safety properties while NCA and NCM offer higher energy density. The document also analyzes anode materials, concluding that while hard carbon has the highest capacity, Li4Ti5O5 may be best for next generation vehicles due to its high rate charging ability especially at low temperatures. Overall, the document determines that LiFePO4 is currently one of the best cathode platforms for electric vehicles, but continued research is needed to improve performance and lower costs.
Evlib part 2
This document summarizes a presentation on lithium-ion batteries for electric vehicles given in Shanghai, China in September 2009. The presentation covered key challenges for battery materials including safety, operating temperature range, durability over many charge/discharge cycles and years of use, and low production costs. It also discussed cathode chemistries used by Lishen Battery, including lithium manganese oxide (LiMn2O4) which has better safety but lower capacity than lithium iron phosphate (LiFePO4).
Evlib2009forum8
The document discusses tools and methods for analyzing battery performance and health. It describes using modeling and simulation informed by laboratory testing at the small scale and field data collection. Testing protocols are derived from representative usage schedules to understand rate, temperature, and age effects. Single cell and pack models are developed from performance tests. Diagnostic and prognostic tools are created from testing knowledge to identify anomalies and forecast performance. Maintaining traceability of materials and equipment is important for recall management. Data analysis of factors like geography and time in service helps determine recall scope.
El sistema solar
El documento describe el sistema solar, incluyendo los 8 planetas que orbitan alrededor del Sol, así como los principales movimientos de la Tierra de rotación, traslación, precesión y nutación. Explica brevemente las características de cada planeta y cómo la Tierra se mueve a través del espacio.
Tipping point
Its a wonderful book written by Malcolm Gladwell.
We had prepared the presentation to show the typical Consumer Behavior
Turkel Design Portfolio
Turkel Design is one of the preferred architectural firms of Janstar Homes, they are a small residential design practice whose primary reason for being is to help our clients build thoughtfully-conceived homes that can be constructed within their budgets.
http://www.janstar.com/ ; www.turkeldesign.com
Evlib2009forum2
This document discusses the impacts of fast charging on electric vehicle batteries. Fast charging can negatively impact battery life by causing elevated temperatures inside the battery. Standards are needed for safety, communication protocols, and connector requirements for electric vehicle charging. Certification of early charging stations revealed issues like a lack of communication between vehicle and charger manufacturers. Overall, fast charging presents opportunities but also risks that require reducing through safety standards, innovation, and cooperation across industries.
Jonathan Rodriguez Website Portfolio
This document provides a summary of Jonathan Rodriguez's work in website development and web design. It lists over 20 websites that Jonathan has created, and includes positive testimonials from satisfied clients praising his talent, professionalism, and dedication. The document also outlines Jonathan's use of social media, online marketing campaigns, and analytical tools to help businesses promote their websites and measure results. It mentions software Jonathan developed to help homeowners modify mortgages, and includes recommendations from political leaders impressed by Jonathan's expertise across different fields.
Evlib2009forum5
The document discusses the development of CNEAT's pure electric vehicle technology over time. It describes the company launching its first electric vehicle prototype in 2000 and receiving government certification for its electric vehicle models beginning in 2002. The document outlines CNEAT's continued expansion with new electric vehicle models certified between 2002-2004. It also notes CNEAT achieved mass production of one of its electric vehicle models, producing over 200 vehicles per month by 2007.
Evlib2009forum1
The document discusses a conference on next generation batteries to be held in Shanghai from September 2-3, 2009. The first day will address achieving optimal cost and performance of batteries in electric vehicles, as well as battery safety and cycle life. Speakers will discuss the future supply and pricing of lithium for lithium-ion batteries, and the role of Talison Minerals in the lithium supply chain. Topics will include current and potential lithium sources, how supply might meet future demand, and factors influencing lithium price and investments.
Evlib2009forum4
The document discusses heat generation and transfer mechanisms in lithium-ion batteries and how they can lead to thermal runaway. It examines various safety methods used at the pack and cell level to prevent thermal runaway, including active cooling, passive cooling using phase change materials, cell design approaches, and cell chemistry options. The document also presents case studies on using phase change materials for cooling battery packs and simulations showing their ability to prevent the propagation of thermal runaway from a single cell.
Condo - Approved Plans
This document contains notes for a drawing that must not be scaled and any errors or omissions should be reported to the architect. The drawing is the exclusive property of the architects and any variations or modifications must receive written permission.
Effective feedback workshop ideas
This document outlines a workshop plan for providing effective feedback. The workshop includes an introduction where participants identify challenges with giving and receiving feedback. Next, there is a role play and analysis section where participants practice giving difficult feedback in simulated manager-employee scenarios. Participants define learning objectives and receive feedback. Finally, the workshop concludes with a summary where participants reflect on what they learned and new objectives. The overall goal is to improve skills for giving and receiving feedback through practice and analysis.
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Jonathan Rodriguez Website Portfolio
This document provides a summary of Jonathan Rodriguez's work in website development and web design. It lists over 20 websites that Jonathan has created, and includes positive testimonials from satisfied clients praising his talent, professionalism, and dedication. The document also outlines Jonathan's use of social media, online marketing campaigns, and analytical tools to help businesses promote their websites and measure results. It mentions software Jonathan developed to help homeowners modify mortgages, and includes recommendations from political leaders impressed by Jonathan's expertise across different fields.
Evlib2009forum5
The document discusses the development of CNEAT's pure electric vehicle technology over time. It describes the company launching its first electric vehicle prototype in 2000 and receiving government certification for its electric vehicle models beginning in 2002. The document outlines CNEAT's continued expansion with new electric vehicle models certified between 2002-2004. It also notes CNEAT achieved mass production of one of its electric vehicle models, producing over 200 vehicles per month by 2007.
Evlib2009forum1
The document discusses a conference on next generation batteries to be held in Shanghai from September 2-3, 2009. The first day will address achieving optimal cost and performance of batteries in electric vehicles, as well as battery safety and cycle life. Speakers will discuss the future supply and pricing of lithium for lithium-ion batteries, and the role of Talison Minerals in the lithium supply chain. Topics will include current and potential lithium sources, how supply might meet future demand, and factors influencing lithium price and investments.
Evlib2009forum4
The document discusses heat generation and transfer mechanisms in lithium-ion batteries and how they can lead to thermal runaway. It examines various safety methods used at the pack and cell level to prevent thermal runaway, including active cooling, passive cooling using phase change materials, cell design approaches, and cell chemistry options. The document also presents case studies on using phase change materials for cooling battery packs and simulations showing their ability to prevent the propagation of thermal runaway from a single cell.
Condo - Approved Plans
This document contains notes for a drawing that must not be scaled and any errors or omissions should be reported to the architect. The drawing is the exclusive property of the architects and any variations or modifications must receive written permission.
Effective feedback workshop ideas
This document outlines a workshop plan for providing effective feedback. The workshop includes an introduction where participants identify challenges with giving and receiving feedback. Next, there is a role play and analysis section where participants practice giving difficult feedback in simulated manager-employee scenarios. Participants define learning objectives and receive feedback. Finally, the workshop concludes with a summary where participants reflect on what they learned and new objectives. The overall goal is to improve skills for giving and receiving feedback through practice and analysis.
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