About 12 results
https://drivepatents.com/patents/1396361 · 28 Jan 2026
The present disclosure discloses a positive electrode active material for a lithium secondary battery comprising a secondary particle having an average particle size (D50) of 1 to 10 µm formed by agglomeration of at least two primary macro particles havin...
https://drivepatents.com/patents/966407 · 10 Dec 2014
Disclosed is manganese dioxide having a peak intensity ratio between a peak intensity Iin a vicinity of 525 cmand a peak intensity Iin a vicinity of 580 cm: I/Iof 0.62 or less, when measured by Raman scattering spectroscopy. Also disclosed is an alkaline d...
https://drivepatents.com/patents/974079 · 4 Jun 2014
Provided are a cathode active material having high capacity and excellent lifetime characteristics as well as being inexpensive by mixing transition metal oxide having high irreversible capacity with composite dimensional manganese oxide (CDMO) of the foll...
https://drivepatents.com/patents/980599 · 25 Dec 2013
The invention provides electrolytic a manganese dioxide with a BET specific surface area of 20 to 60 m 2 /g, and a volume of at least 0.023 cm 3 /g for pores with pore diameters of 2 to 200 nm. Also provided is a method for producing an electrolytic mangan...
https://drivepatents.com/patents/1000799 · 4 Jul 2012
An object of the present invention is to provide electrolytic manganese dioxide to be used as a cathode active material for an alkali-manganese dry cell, which has a high alkali potential and is provided with a high reactivity and packing efficiency as a c...
https://drivepatents.com/patents/1012048 · 15 Jun 2011
The present invention provides lithium manganate which has a high output and is excellent in high-temperature stability. The present invention relates to lithium manganate particles which are produced by mixing a lithium compound, a manganese compound, a Y...
https://drivepatents.com/patents/1012319 · 8 Jun 2011
According to the present invention, there is provided a process for producing lithium manganate particles having a high output and an excellent high-temperature stability. The present invention relates to a process for producing lithium manganate particles...
https://drivepatents.com/patents/1015052 · 16 Mar 2011
A primary electrochemical cell includes a cathode including lambda-manganese dioxide (λ-Mn0), an anode including lithium or a lithium alloy, a separator interposed between the cathode and the anode, and a non-aqueous electrolyte contacting the anode and t...
https://drivepatents.com/patents/1081089 · 5 Jan 2005
The invention is intended to establish means for stably producing manganese oxide high in tap density, suitable for use as a raw material for producing a positive plate material of a lithium secondary cell at high production yield and with high work effici...
https://drivepatents.com/patents/1101572 · 25 Sep 2002
According to the process of this invention, first a manganese oxide seed is prepared, which is then grown to obtain manganese oxide having large particle diameters. The manganese oxide thus obtained is reacted with a lithium compound, whereby lithium manga...