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HUNAN ZHENGYUAN ENERGY STORAGE MAT AND DEVICE INSTITUTE

Overview
  • Total Patents
    18
  • GoodIP Patent Rank
    95,378
  • Filing trend
    ⇩ 25.0%
About

HUNAN ZHENGYUAN ENERGY STORAGE MAT AND DEVICE INSTITUTE has a total of 18 patent applications. It decreased the IP activity by 25.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, electrical machinery and energy and materials and metallurgy are TIANJIN HEWEI TECH CO LTD, HUNAN BOXIN NEW ENERGY TECH CO LTD and PHOSTECH LITHIUM INC.

Patent filings in countries

World map showing HUNAN ZHENGYUAN ENERGY STORAGE MAT AND DEVICE INSTITUTEs patent filings in countries
# Country Total Patents
#1 China 18

Patent filings per year

Chart showing HUNAN ZHENGYUAN ENERGY STORAGE MAT AND DEVICE INSTITUTEs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Jian 18
#2 Wang Lihua 7
#3 Xu Baolei 5
#4 Shen Kun 5
#5 Liu Lanying 4
#6 Shang Lei 4
#7 Li Na 4
#8 Liu Xiang 4
#9 Tian Jide 2
#10 Zhang Minchao 2

Latest patents

Publication Filing date Title
CN111924836A Recycling and regenerating method of retired lithium ion battery negative electrode graphite
CN111710932A Method for recovering binder of retired lithium ion battery anode
CN111430086A Method and device for recycling wires and cables
CN111584842A Preparation method of double-shell spherical lithium-rich layered oxide cathode material with crystal grain size arranged in direction
CN111303196A Preparation method of lithium bis (oxalato) borate
CN110767891A Preparation method of porous spherical silicon-based composite anode material
CN110676451A Hollow spherical anode material with crystal grain size arranged in growth direction and preparation method thereof
CN110518189A It is a kind of at the same realize to positive electrode pre-deoxidation, to the device and method of negative electrode material prelithiation
CN110233257A A kind of preparation method of the multiple cyclic annular rich lithium manganese base solid solution positive electrode oxide precursor of solid spherical shape
CN110380039A A kind of spherical lithium-rich manganese-based anode material presoma and preparation method thereof of sheet object cladding
CN110350164A A kind of compound nickelic tertiary cathode material of multiphase and preparation method thereof
CN108376807A A kind of waste and old lithium ion battery graphite cathode material restorative procedure
CN108190845A A kind of method for preparing lithium sulfide
CN108218690A A kind of method that waste lithium iron phosphate anode material prepares the oxalates of lithium
CN107579304A A kind of method that phosphoric acid vanadium iron lithium is prepared in the anode pole piece from waste lithium iron phosphate
CN109004305A The method of LiFePO 4 and free carbon is separated in a kind of cathode mixture
CN108930050A A kind of preparation method of negative electrode of lithium ion battery collector super-thin electronic copper foil
CN106997973A The phosphatic method of ferric phosphate and lithium is prepared in a kind of anode material from waste lithium iron phosphate