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Lithium Manganese Oxide (LMO) Basic Information
LMO
Strength
Weakness
Opportunity
Threat
LMO has better thermal stability compared to NMC and NCA
LMO-based batteries have longer cycle life
Good power density for EVs and power tools
Cost-efficient in production due to low manganese cost
Manganese is more abundant and less toxic than cobalt
LMO is one of the more promising materials for solid-state batteries
High efficiency at low cost
LMO has lower energy density compared to NMC and NCA
Lower charge cutoff voltage at 4.2V
LMO batteries may have a higher rate of self-discharge
LMO may suffer from capacity fade and and poor efficiency at high power
Relatively poor performance at low temperatures
Over long cycles, capacity fade occurs due to structural degradation
LMO batteries balance cost and performance, potentially leading to more affordable EVs
LMO is more sustainable and requires no cobalt
LMO stability could be interesting for solid-state batteries
Partnerships with OEM could increase LMO adoption
The rise of electric two wheelers, light vehicles, and drones presents an opportunity for LMO technology
Rapid advances in more mature chemistries, such as NCA, NMC and L(M)FP
With consumer demand for long-range EVs, higher energy CAM, such as NMC or NCA might outpace LMO
L(M)FP has lower costs and better thermostability and performance
Since manganese is more abundant, its extraction might lead to greater environmental impact and pollution
Source: Battery Report 2023 (pg130),
Lithium manganese oxide (LMO): Originating from John B. Goodenough’s group, LMO emerged into the market in early 1990s and was used in earlier generations of the Nissan Leaf. Advantage: LMO’s advantages lie in its cost-effectiveness, safety, and environmental benefits, as well as the fact that it avoids the use of scarce and expensive materials, such as cobalt or nickel. LMO does not current have a big market share: LMO suffers from short cycle life due to high self-discharge rate and capacity fade over many charge/discharge cycles, caused by manganese dissolution and structural degradation. However, some companies have been able to manage this issue with a variety of techniques.
Extracted from the PDF; charts and images may read imperfectly.
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