C01G 51/50
Of the type n-
Official title: of the type (MnO2)n-, e.g. Li(CoxMn1-x)O2 or Li(MyCoxMn1-x-y)O2
C01G51/50 (Of the type n-) appears on 299 US grants and 399 published applications in this corpus.
Search patents in C01G- Granted patents
- 299
- Published applications
- 399
- Assignees
- 148
- Inventors
- 736
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 2 |
| 2002 | 3 | 5 |
| 2003 | 3 | 5 |
| 2004 | 4 | 13 |
| 2005 | 2 | 10 |
| 2006 | 3 | 21 |
| 2007 | 6 | 19 |
| 2008 | 12 | 15 |
| 2009 | 12 | 32 |
| 2010 | 17 | 24 |
| 2011 | 19 | 28 |
| 2012 | 15 | 31 |
| 2013 | 31 | 35 |
| 2014 | 27 | 18 |
| 2015 | 20 | 11 |
| 2016 | 13 | 17 |
| 2017 | 16 | 17 |
| 2018 | 11 | 12 |
| 2019 | 16 | 22 |
| 2020 | 15 | 12 |
| 2021 | 12 | 8 |
| 2022 | 7 | 14 |
| 2023 | 7 | 12 |
| 2024 | 12 | 5 |
| 2025 | 7 | 5 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for surface modification of lithium transition metal oxide positive electrode material15 Sep 2026US 12,738,484 B2Guangdong Brunp Recycling Technology Co., Ltd.
- Sodium-ion battery, positive electrode plate for sodium-ion battery, positive active material, battery module, battery pack, and device12 May 2026US 12,626,915 B2Contemporary Amperex Technology (Hong Kong) Limited
- Powderous lithium cobalt-based oxide cathode active material powder for rechargeable lithium ion batteries and a method for making thereof5 May 2026US 12,617,696 B2Umicore AG & Co. KG
- Processes for preparing hydroxides and oxides of various metals and derivatives thereof21 Apr 2026US 12,606,456 B2Nemaska Lithium Inc.
- Method for reusing active material using positive electrode scrap9 Dec 2025US 12,494,522 B2LG Energy Solution, Ltd.
- Processes for preparing hydroxides and oxides of various metals and derivatives thereof13 Aug 2026US 2026/0234024 A1Nemaska Lithium Inc.
- Positive Electrode Active Material, Lithium-Ion Secondary Battery, Electronic Device, Vehicle, And Method For Fabricating Composite Oxide6 Aug 2026US 2026/0225911 A1Semiconductor Energy Laboratory Co.Ltd.
- Positive electrode active material for secondary batteries, and secondary battery23 Jul 2026US 2026/0213176 A1Panasonic Energy Co., Ltd.
- Composite positive electrode active material including a surface-modified graphene coating layer and positive electrode including the same2 Jul 2026US 2026/0184595 A1Samsung SDI.Co., Ltd.
- Cathode active material for lithium secondary batteries, method of preparing same, cathode including the same, and lithium secondary battery including cathode12 Mar 2026US 2026/0074219 A1Samsung SDI.Co., Ltd.
Most cited
By later US patents
- Positive electrode active material for lithium secondary cell and lithium secondary cell89US 7,393,476 B2GS Yuasa Corporation · 2008
- Non-aqueous lithium ion secondary battery88US 6,037,095 AFuji Photo Film Co., Ltd. · 2000
- Positive electrode active material for lithium secondary battery81US 5,718,989 AJapan Storage Battery Co., Ltd. · 1998
- Method and apparatus for preparation of spherical metal carbonates and lithium metal oxides for lithium rechargeable batteries75US 7,435,402 B2U Chicago Argonne LLC · 2008
- Lithium metal oxide electrodes for lithium batteries74US 7,314,682 B2Uchicago Argonne, LLC · 2008