N-doped engineering of a high-voltage LiNi0.5Mn1.5O4 cathode with superior cycling capability for wide temperature lithium–ion batteries

Li, Mingzhu; Li, Qingping; Hu, Maofeng; Du, Yu; Duan, Zhipeng; Fan, Hongguang; Cui, Yongpeng; Liu, Shuang; Jin, Yongcheng; Liu, Wei

doi:10.1039/d2cp00835a

Cited by 9 publications

(6 citation statements)

References 69 publications

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Section: Anode Engineeringmentioning

confidence: 99%

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Challenges and Advances in Rechargeable Batteries for Extreme‐Condition Applications

Wu,

Wang

et al. 2023

Advanced Materials

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Rechargeable batteries are widely used as power sources for portable electronics, electric vehicles and smart grids. Their practical performances are, however, largely undermined under extreme conditions, such as in high‐altitude drones, ocean exploration and polar expedition. These extreme environmental conditions not only bring new challenges for batteries but also incur unique battery failure mechanisms. To fill in the gap, it is of great importance to understand the battery failure mechanisms under different extreme conditions and figure out the key parameters that limit battery performances. In this review, we start by investigating the key challenges from the viewpoints of ionic/charge transfer, material/interface evolution and electrolyte degradation under different extreme conditions. It is then followed by different engineering approaches through electrode materials design, electrolyte modification and battery component optimization to enhance practical battery performances. Finally, a short perspective is provided about the future development of rechargeable batteries under extreme conditions.This article is protected by copyright. All rights reserved

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Section: Anode Engineeringmentioning

confidence: 99%

mentioning

confidence: 99%

Challenges and Advances in Rechargeable Batteries for Extreme‐Condition Applications

Wu,

Wang

et al. 2023

Advanced Materials

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“…The Mn-rich chemical composition of LNMO makes it more competitive compared with Ni-rich one considering the low cost and high reserves of Mn in the earth and low environmental impact 9 . However, the problem of transition metal dissolution and inferior high-temperature performance of LNMO hindered its application 14 – 16 . Finding an effective modification way to synthesize LNMO with improved performance is of great significance to the sustainability of the LIBs industry 13 .…”

Section: Introductionmentioning

confidence: 99%

Subtractive transformation of cathode materials in spent Li-ion batteries to a low-cobalt 5 V-class cathode material

Ma,

Wang,

Jia

et al. 2024

Nat Commun

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Adding extra raw materials for direct recycling or upcycling is prospective for battery recycling, but overlooks subtracting specific components beforehand can facilitate the recycling to a self-sufficient mode of sustainable production. Here, a subtractive transformation strategy of degraded LiNi0.5Co0.2Mn0.3O2 and LiMn2O4 to a 5 V-class disordered spinel LiNi0.5Mn1.5O4-like cathode material is proposed. Equal amounts of Co and Ni from degraded materials are selectively extracted, and the remaining transition metals are directly converted into Ni0.4Co0.1Mn1.5(CO3)2 precursor for preparing cathode material with in-situ Co doping. The cathode material with improved conductivity and bond strength delivers high-rate (10 C and 20 C) and high-temperature (60 °C) cycling stability. This strategy with no extra precursor input can be generalized to practical degraded black mass and reduces the dependence of current cathode production on rare elements, showing the potential of upcycling from the spent to a next-generation 5 V-class cathode material for the sustainable Li-ion battery industry.

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“…The requirement for rechargeable secondary energy storage batteries is gradually increasing due to the rapid development of electric cars and other electrochemical energy storage technologies. − But it is very clear that the energy density of LIBs is far from satisfying the ever-increasing market demands. , Therefore, developing high-energy density LIBs has become a top priority. − The energy density of a battery is determined by the specific capacity and operating voltage . One of the successful strategies for increasing energy density is to increase cell operating voltage .…”

Section: Introductionmentioning

confidence: 99%

Alginate-Xylan Biopolymer as a Multifunctional Binder for 5 V High-Voltage LNMO Electrodes

Yang

Nie

Shen

et al. 2023

ACS Appl. Mater. Interfaces

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LiNi 0.5 Mn 1.5 O 4 (LNMO) with a spinel structure is one of the most promising cathode materials choices for Li-ion batteries (LIBs). However, at a high operating voltages, the decomposition of organic electrolytes and the dissolution of transition metals, especially Mn(II) ions, cause unsatisfactory cycle stability. The initial application of a sodium alginate (SA)-xylan biopolymer as an aqueous binder aims to address the aforementioned problems. The SX28-LNMO electrode has a sizable discharge capacity, exceptional rate capability, and long-term cyclability with a capacity retention of 99.8% after 450 cycles at 1C and a remarkable rate capability of 121 mAh g −1 even at 10C. A more thorough investigation illustrated that SX28 binder provides a substantial adhesion property and generates a uniform (CEI) layer on the LNMO surface, suppressing electrolytes' oxidative decomposition upon cycling and improving LIB performances. This work highlights the potential of hemicellulose as an aqueous binder for 5.0 V high-voltage cathodes.

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N-doped engineering of a high-voltage LiNi_0.5Mn_1.5O₄ cathode with superior cycling capability for wide temperature lithium–ion batteries

Abstract: Spinel LiNi0.5Mn1.5O4 (LNMO) is one potential cathode candidate for the next-generation high energy-density lithium-ion batteries (LIBs). However, the serious capacity decay from its poor structural stability, especially at high operating...

Cited by 9 publications

References 69 publications

Challenges and Advances in Rechargeable Batteries for Extreme‐Condition Applications

Challenges and Advances in Rechargeable Batteries for Extreme‐Condition Applications

Subtractive transformation of cathode materials in spent Li-ion batteries to a low-cobalt 5 V-class cathode material

Alginate-Xylan Biopolymer as a Multifunctional Binder for 5 V High-Voltage LNMO Electrodes

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