Results for: "4r energy"

4R Energy earns first UL 1974 battery reuse certification

4R Energy, a joint venture between Nissan and Sumitomo that focuses on EV battery reuse, will be the first group certified to the UL 1974 Standard for Evaluation for Repurposing Batteries. UL 1974 outlines how to sort and grade EV battery packs, modules, and cells, identifying state-of-health and determining viability for second-life use as storage…. Read more »

Nissan starts LEAF battery exchange program in Japan

Starting in May, Japanese LEAF owners will be able to exchange their old batteries for refurbished ones. Nissan will initially offer 24 kWh refabricated batteries for ¥300,000 ($2,853) each. Prices for brand-new replacement batteries range from $6,182 for a 24 kWh battery to $7,800 for the 40 kWh version. Nissan is using the battery-rebuilding capabilities… Read more »

Nissan, GM and Toyota repurpose used EV batteries for stationary storage

Tesla may have made it trendy, but the California company is far from the only automaker exploring the commercial energy storage market, which is expected to grow from $200 million in 2012 to $19 billion in 2017, according to research firm IHS CERA. Nissan has joined forces with Green Charge Networks to deploy second-life EV… Read more »

Prototype power storage system in Japan uses EV batteries to regulate solar plant output

Sumitomo Corporation has developed and installed the first large-scale power storage system that uses used EV batteries. This prototype commercial-scale (600 kW, 400 kWh) storage system consists of sixteen used EV batteries. Located on Yume-shima Island, Osaka, the system begins operation this month. Over the next three years, Sumitomo will measure the facility’s smoothing effect… Read more »

A closer look at the losses in power semiconductors

A previous article examined loss mechanisms in traction motors, which tend to be the single biggest source of losses in a modern EV drivetrain. This time, the focus is on the various power semiconductors, as they are the next biggest source of losses. Also covered in brief are ways to mitigate these losses and design… Read more »

Report: Transportation and stationary storage battery demand will surpass consumer electronics by next year

Consumer electronics have traditionally driven the demand for energy storage devices, but transportation and stationary applications will soon become the largest storage markets, according to Lux Research. By 2025 the energy storage market will top $100 billion, with applications in transportation alone reaching $69 billion, Lux forecasts. The highest growth rate will be in stationary… Read more »

Port of LA demonstrates net-zero marine terminal with electrified cargo handling equipment

Ports are major sources of air pollution, but fortunately they are also excellent candidates for electrification. The twin ports of Los Angeles and Long Beach have been testing various types of electrified vehicles for several years. Now the Port of Los Angeles has launched the Green Omni Terminal Demonstration Project, a full-scale, real-time demonstration of… Read more »

Study: Electric buses earn 82% more profit than diesel buses

Cities around the world are investigating the potential of electric transit buses to reduce costs and improve air quality. The latest is Bangalore, India’s high-tech hub, which recently tested what it says are the country’s first electric buses. Electric buses’ greater energy efficiency compared to legacy diesel vehicles (and even CNG buses) has already been… Read more »