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日立造船(株)【7004】の掲示板 2017/07/29〜2017/12/04

Latest solid state battery patent issued for Hitachi Zosen:
Publication number WO2017150354 A1
Application number PCT/JP2017/006977
Publication date Sep 8, 2017
"All-solid state secondary battery and method for manufacturing same"

Use Google Patents to search for details. Surface treatment of cathode/anode differs from Toyota's.

Could 5486 Hitachi Metals, or Hitachi group equipment manufacturers help reduce the cost of making solid state cathode/anode? Currently Hitachi Zosen has a performance advantage, but cost still not economical.