Inventor
REN JIANGUO
CN26 patents
⚠️ This page may combine multiple inventors who share the name “REN JIANGUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BTR NEW MAT GROUP CO LTD
18 patentsUS11909035B2Feb 20, 2024
Composite negative electrode material for lithium ion battery, preparation method thereof, and use thereof in lithium ion battery
BTR NEW MAT GROUP CO LTD0 citations60
US11515530B2Nov 29, 2022
Silicon-based negative electrode material, preparation method therefor and use thereof in lithium-ion battery
BTR NEW MAT GROUP CO LTD0 citations60
US12489114B2Dec 2, 2025
Negative electrode material, and preparation method therefor and use thereof
BTR NEW MAT GROUP CO LTD0 citations59
US12406984B2Sep 2, 2025
Silicon-based anode material, preparation method therefor and use thereof in lithium-ion battery
BTR NEW MAT GROUP CO LTD0 citations59
US12166210B2Dec 10, 2024
Negative electrode material of lithium ion secondary battery, preparation method thereof and use thereof
BTR NEW MAT GROUP CO LTD0 citations59
US11757089B2Sep 12, 2023
Carbon matrix composite material, preparation method therefor and lithium ion battery comprising same
BTR NEW MAT GROUP CO LTD0 citations59
US12255323B2Mar 18, 2025
Silicon oxide/carbon composite negative electrode material and preparation method therefor, and lithium-ion battery
BTR NEW MAT GROUP CO LTD0 citations58
US12183919B2Dec 31, 2024
Silicon-oxygen composite negative electrode material and method for preparation thereof and lithium-ion battery
BTR NEW MAT GROUP CO LTD0 citations58
US11967708B2Apr 23, 2024
Lithium ion battery negative electrode material and preparation method therefor
BTR NEW MAT GROUP CO LTD0 citations57
US12506151B2Dec 23, 2025
Anode material and battery
BTR NEW MAT GROUP CO LTD0 citations56
US12463204B2Nov 4, 2025
Negative electrode material and preparation method therefor, and lithium-ion battery
BTR NEW MAT GROUP CO LTD0 citations56
US12288874B2Apr 29, 2025
Silicon-based composite material, lithium ion battery, and preparation method thereof
BTR NEW MAT GROUP CO LTD0 citations56
US11581539B2Feb 14, 2023
Natural graphite-based modified composite material, preparation method therefor, and lithium ion battery comprising modified composite material
BTR NEW MAT GROUP CO LTD0 citations56
US12494481B2Dec 9, 2025
Core-shell composite negative electrode material, preparation method therefor and use thereof
BTR NEW MAT GROUP CO LTD0 citations48
US11929484B2Mar 12, 2024
Compound, preparation method therefore, and use in lithium ion secondary battery
BTR NEW MAT GROUP CO LTD0 citations48
US12451489B2Oct 21, 2025
Anode material, preparation method thereof and battery
BTR NEW MAT GROUP CO LTD0 citations47
US12258274B2Mar 25, 2025
Preparation method for long-cycle modified graphite-based composite material and lithium ion battery comprising the material
BTR NEW MAT GROUP CO LTD0 citations47
US12341191B2Jun 24, 2025
Composite negative electrode material and preparation method therefor and lithium battery
BTR NEW MAT GROUP CO LTD0 citations43
SHENZHEN BTR NEW ENERGY MAT INC
6 patentsUS10170753B2Jan 1, 2019
Nano-silicon composite negative electrode material used for lithium ion battery, process for preparing the same and lithium ion battery
SHENZHEN BTR NEW ENERGY MAT INC30 citations92
US10522834B2Dec 31, 2019
Multiple-element composite material for anodes, preparation method therefor, and lithium-ion battery having same
SHENZHEN BTR NEW ENERGY MAT INC2 citations72
US9440861B2Sep 13, 2016
Method for modification of lithium ion battery positive electrode material
SHENZHEN BTR NEW ENERGY MAT INC0 citations49
US10777818B2Sep 15, 2020
Aqueous binder for lithium ion battery, preparation method therefor and use thereof
SHENZHEN BTR NEW ENERGY MAT INC0 citations47
US10170754B2Jan 1, 2019
Silicon monoxide composite negative electrode material used for lithium ion battery, the preparation method thereof and a lithium ion battery
SHENZHEN BTR NEW ENERGY MAT INC0 citations46
US10611644B2Apr 7, 2020
Equipment and process for preparing silicon oxides
SHENZHEN BTR NEW ENERGY MAT INC0 citations39