Amprius technologies passes military performance specification nail penetration test with unprecedented 390 wh/kg cell

Fremont, calif.--( business wire )--amprius technologies, inc. (“amprius”) (nyse: ampx), a leader in ultra-high energy density lithium-ion batteries with its silicon nanowire anode platform, today announced that an independent third-party testing lab has validated amprius' 390 wh/kg polymer electrolyte cell by successfully passing the nail penetration test per the requirements of section 4.7.4.4. of the mil-prf-32383 (military performance specification).
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