The Tech

Maxwell’s Teflon-fibrilizing electrode process could save Tesla big bucks on battery manufacture

Tesla has completed the acquisition of Maxwell Technologies, a company that’s known for its pioneering work with supercapacitors. However, Electrek’s Fred Lambert and others have noted that Tesla’s interest in Maxwell probably has less to do with supercapacitors than with the company’s “dry electrode” technology. Randy Carlson, in an article posted on Seeking Alpha, provides… Read more »

Elaphe begins production of new in-wheel hub motor

In-wheel electric motor manufacturer Elaphe Propulsion Technologies will begin low-volume production of the L1500, a new gearless in-wheel powertrain system, in the fourth quarter of 2019. The system features high torque, low weight, and a compact packaging fitted around standard knuckles and friction braking systems. The L1500 generates 1.500 Nm of torque and 110 kW… Read more »

24M surpasses 250 Wh/kg on the road to 400+

Battery company 24M has announced that it has developed commercially viable Nickel Manganese Cobalt (NMC) cells with an energy density above 250 Wh/kg. The company has also delivered similar NMC cells with an energy density above 280 Wh/kg to an industrial partner. 24M’s new NMC cells were built with the company’s SemiSolid lithium-ion battery design,… Read more »

GROB prepares for EV boom with new R&D site and acquisition of Italian engineering company DMG meccanica

German machine and tool manufacturer GROB says it’s preparing for the rapid electrification of the car industry by developing manufacturing equipment for the mass production of EVs, specifically for motors and batteries. To speed up the development of its own equipment, GROB acquired Italian mechanical engineering company DMG meccanica in 2017, renaming it GROB Italy…. Read more »

Gore’s new battery pack evacuation vent combines a flexible membrane and waterproof design

Gore launched its new Low Pressure Evacuation Vent at a recent battery show. The company says the vent will help reduce the volume, weight, and cost of next-generation battery packs for EVs and hybrids. The vent combines a flexible membrane and waterproof design, which Gore said has benefits that include: A low opening pressure Management… Read more »

Cree to invest $1 billion to expand silicon carbide capacity

LED and semiconductor manufacturer Cree will invest up to $1 billion to expand its silicon carbide materials capability and wafer fabrication capacity. Slated for completion in 2024, the expansion will entail the development of an automated 200 mm silicon carbide fabrication facility and a materials factory in Durham, North Carolina. The plan includes the buildout… Read more »

Dow’s new conductive adhesive provides electromagnetic shielding

Dow’s new DOWSIL EC-6601 Electrically Conductive Adhesive is a silicone adhesive that’s designed for electromagnetic compatibility. It combines shielding against electromagnetic interference across a range of frequencies with durable mechanical and conductive properties over time. Dow showcased the new adhesive at a recent battery expo, along with the company’s EA-4700 CV Adhesive, which bonds metals… Read more »

China leads global market in nickel for EV batteries

The Chinese market for EV battery nickel increased 253 percent in January 2019 compared to January 2018, according to a report from research firm Adamas Intelligence. China is now the largest market for battery nickel in passenger EVs. The growth is being driven by a shift from Lithium Iron Phosphate (LFP) to Nickel Cobalt Manganese… Read more »