The abysmal dependability of public chargers is a major problem, and fixing it is going to require some serious technical expertise and industry-wide cooperation. So it’s encouraging to see industry heavyweight SAE International, which calls itself “the oldest and largest technical society for engineers in the US, and the largest mobility standards organization in the… Read more »
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SAE Power Rating can now be applied to EVs
SAE International has released a standard document, “J2908 Vehicle Power and Rated System Power Test for Electrified Powertrains,” that defines methods to determine peak power ratings for electrified vehicles, and establishes a framework for testing, data post-processing and reporting of SAE System power for vehicles with electrified powertrains. “SAE Certified Power was designed for conventional… Read more »
SAE releases recommended practice for safe battery testing
SAE International has released SAE J2464: Electric and Hybrid Electric Vehicle Rechargeable Energy Storage System (RESS) Safety and Abuse Testing, a revised recommended practice for establishing safe battery systems. Originating in 1999 when the industry recognized the need for safety and abuse testing of battery systems in the mobility sector, the revised J2464 recommended practice… Read more »
Daikin’s new AC refrigerant features lower boiling point, could boost EV range
Japanese air conditioner manufacturer Daikin Industries has developed a refrigerant specifically for EVs, and plans to commercialize the product by 2025, according to a report by Nikkei Asia. At present, the most common refrigerant for use in EV air conditioners is R-1234yf, sold under the names Opteon YF by Chemours and as Solstice YF by… Read more »
SAE WPT Task Force urges FCC to support wireless charging standard
SAE International’s Wireless Power Transfer and Alignment Task Force is urging the US Federal Communications Commission (FCC) to act to support the commercialization of wireless charging operating in the frequency band of 79 kHz to 90 kHz. The SAE task force consists of more than 150 international experts representing automakers, suppliers, users, national laboratories and… Read more »
SAE releases updates for two EV charging documents
SAE International has announced revisions to SAE J3072 Standard: Interconnection Requirements for Onboard, Utility-Interactive Inverter Systems and SAE J2847/3 Recommended Practice: Communication for Plug-in Vehicles as a Distributed Energy Source. The updated EV charging documents will play a role in advancing automotive requirements for distributed energy resources (DER) projects. The revisions to SAE J3072 establish… Read more »
SAE hires contractor team for EV charging security research project
SAE International has announced an agreement with a contractor team, comprised of Eonti, DigiCert and VerSprite, to perform technical development of the SAE EV Charging Public Key Infrastructure (PKI) project, an industry-led research project aimed at strengthening EV charging system security. The PKI project was launched in May 2020. With the contractor team onboard, technical… Read more »
Wireless charging provider WiTricity raises $34 million in venture capital
Wireless power transfer specialist WiTricity has closed a $34-million investment round. Stage 1 Ventures led the round, and investors included Air Waves Wireless Electricity and Mitsubishi Corporation (Americas). The infusion of capital will enable WiTricity to continue its wireless power platform development and expand its intellectual property portfolio. WiTricity is actively engaged with key standards… Read more »
SAE publishes Wireless Charging standard
SAE International has published a new global standard that specifies both the vehicle-side and charger-side requirements for wireless charging of EVs. The new standard, SAE J2954, was more than a decade in the making. In 2007, when SAE began its research, there were few EVs on the market, and wireless power transfer (WPT) may have… Read more »
SAE publishes recommended practices for automated EV charging systems
As the EV market expands, there’s a pressing need for more standardization of DC power distribution, especially for buses and heavy-duty vehicles. SAE International’s new standard SAE J-3105: Electric Vehicle Power Transfer System Using Conductive Automated Connection Devices Recommended Practice promotes the safe testing and performance of mechanized conductive power transfer systems, primarily for vehicles… Read more »