Enhanced electrochemical performance of perovskite LaNiO3 coating on Li1.2Mn0.54Ni0.13Co0.13O2 as cathode materials for Li-ion batteries

Zhang, Xiaodong; Chen, Cunguang; Wu, Licheng; Guo, Zhimeng; Ji, Zhenhui; Luo, Ji; Shu, Jinfeng; Yang, Fang; Volinsky, Alex A.

doi:10.1016/j.electacta.2018.07.057

Cited by 21 publications

(10 citation statements)

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“…Galvanostatic charge/discharge performance of LMNCO hollow nano/sub-microspheres was examined between 2.0 and 4.8 V at 0.1 C (27 mA g –1 ) for 50 cycles and is plotted in Figure . The first charging profiles were in good agreement with those of other reported Li- and Mn-rich LMNCO cathodes. ,− ,− All the samples exhibited two plateau regions in the first charging profiles: first plateau is up to 4.5 V, and the second plateau is between 4.5 and 4.8 V. It is generally accepted that Li 1.2 Mn 0.54 Co 0.13 Ni 0.13 O 2 electrodes are charged in two steps with different mechanisms during the initial charging process. This behavior can be explained as follows.…”

Section: Resultssupporting

confidence: 86%

“…To date, significant effort has been dedicated to improve the electrochemical performance of the Li- and Mn-rich layered cathode materials by surface modification, , lattice doping, and tuning the material composition . Moreover, the synthetic conditions, such as coprecipitation, , lithium content, , particle size, calcination temperature, calcination atmosphere (O 2 , air, etc.…”

Section: Introductionmentioning

confidence: 99%

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Temperature-Controlled Synthesis of Li- and Mn-Rich Li_1.2Mn_0.54Ni_0.13Co_0.13O₂ Hollow Nano/Sub-Microsphere Electrodes for High-Performance Lithium-Ion Battery

et al. 2019

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The calcination temperature plays a significant role in the structural, textural, and energy-storage performance of metal oxide nanomaterials in Li-ion battery application. Here, we report the formation of well-crystallized homogeneously dispersed Li1.2Mn0.54Ni0.13Co0.13O2 hollow nano/sub-microsphere architectures through a simple cost-effective coprecipitation and chemical mixing route without surface modification for improving the efficiency of energy storage devices. The synthesized Li1.2Mn0.54Ni0.13Co0.13O2 hollow nano/sub-microsphere cathode materials are calcined at 800, 900, 950, and 1000 °C. Among them, Li1.2Mn0.54Ni0.13Co0.13O2 calcined at 950 °C exhibits a high discharge capacity (277 mAh g–1 at 0.1C rate) and excellent capacity retention (88%) after 50 cycles and also delivers an excellent discharge capacity of >172 mAh g–1 at 5C rate. Good electrochemical performance of Li1.2Mn0.54Ni0.13Co0.13O2-950 is directly related to the optimized size of its primary particles (85 nm) (which constitute the spherical secondary particle, ∼720 nm) and homogeneous cation mixing. Higher calcination temperature (≥950 °C) leads to an increase of the primary particle size, poor cycling stability, and inferior rate capacity of Li1.2Mn0.54Ni0.13Co0.13O2 due to smashing of quasi-hollow spheres upon repeated lithium ion intercalations/deintercalations. Therefore, Li1.2Mn0.54Ni0.13Co0.13O2-950 is a promising electrode for the next-generation high-voltage and high-capacity Li-ion battery application.

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Section: Resultssupporting

confidence: 86%

Section: Introductionmentioning

confidence: 99%

Temperature-Controlled Synthesis of Li- and Mn-Rich Li_1.2Mn_0.54Ni_0.13Co_0.13O₂ Hollow Nano/Sub-Microsphere Electrodes for High-Performance Lithium-Ion Battery

et al. 2019

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“…In response to this problem, extensive research has been carried out all over the world. The attenuation of capacity can be alleviated by surface coating, including TM oxide, − fluoride, − and phosphate − coatings on the surface of the material to form a buffer layer. However, the pure inert coating only protects the surface of the material, instead of affecting the process of voltage attenuation in bulk phase.…”

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confidence: 99%

Surface-Functionalized Coating for Lithium-Rich Cathode Material To Achieve Ultra-High Rate and Excellent Cycle Performance

et al. 2019

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Although the lithium-rich cathode material Li 1.2 Mn 0.54 Ni 0.13 Co 0.13 O 2 , as a promising cathode material, has a high specific capacity, it suffers from capacity decay and discharge voltage decay during cycling. In this work, the specific capacity and discharge voltage of Li 1.2 Mn 0.54 Ni 0.13 Co 0.13 O 2 are stabilized by surface-functionalized LiCeO 2 coating. We have conducted LiCeO 2 coating via a mild synchronous lithium strategy to protect the electrode surface from electrolyte attack. This optimized LiCeO 2 coating has high Li + conductivity and abundant oxygen vacancies. The results demonstrate that 3% LiCeO 2 -coated Li 1.2 Mn 0.54 Ni 0.13 Co 0.13 O 2 exhibits the highest capacity retention rate at 1, 2, and 5 C after 200 cycles, which were 84.3%, 85.4%, and 86.3%, respectively. The discharge specific capacity was almost 1.3, 1.4, and 1.4 times that of the pristine electrode. In addition, the 3% LiCeO 2 electrode exhibited the least voltage decay of 0.409, 0.497, and 0.494 V at 1, 2, and 5 C, which was only about half of the pristine electrode. It should not be overlooked that the 3% LiCeO 2 electrode still exhibits a high capacity at high current densities of 1250 mA g −1 (5 C) and 2500 mA g −1 (10 C), and its specific discharge capacities are 190.5 and 160.6 mAh g −1 , respectively. These outstanding electrochemical properties benefit from surface-functionalized LiCeO 2 coatings. To better understand the mechanism of oxygen loss of lithium-rich materials, we propose the lattice oxygen migration path of the LiCeO 2 -coated electrodes during the cycle. Our research provides a possible solution to the poor rate capability and cycle performance of cathode materials through surfacefunctionalized coatings.

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“…One type of lattice fringe with a spacing of 2.04 Å corresponds to the (104) plane of the NCA crystal, and the other type of lattice fringe with a spacing of 3.82 Å is assigned to the (012) plane of the LaNiO 3 coating layer with a thickness of 5–8 nm. 16,25,26 Besides, as revealed in Fig. 4d and Scheme 1, the (104) plane of NCA is almost parallel to the (012) plane of LaNiO 3 , and such observation indicates that a heterostructure in the form of O-sharing between the (104) plane of NCA and the (012) plane of LaNiO 3 is formed when both crystal planes are almost parallel to each other, while the shared-O plays a role in connecting Ni from the (012) plane of LaNiO 3 and M from the (104) plane of NCA to form a Ni–O–M bond.…”

Section: Resultsmentioning

confidence: 79%

“…13–15 Particularly, LaNiO 3 ( R 3̄ c ) and LiNi 0.8 Co 0.15 Al 0.05 O 2 (NCA, R 3̄ m ) have Ni–O bonds, which is desired to form a strong chemical bond between the protective layer and the bulk material and promote the robust combination and compatibility of the LaNiO 3 and NCA materials for long-term cycling. 16,17…”

Section: Introductionmentioning

confidence: 99%

Enhancing the long-cycling performance of a LiNi_0.8Co_0.15Al_0.05O₂@LaNiO₃ cathode material by surface modification

Fan

et al. 2022

Sustainable Energy Fuels

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Enhanced electrochemical performance of perovskite LaNiO3 coating on Li1.2Mn0.54Ni0.13Co0.13O2 as cathode materials for Li-ion batteries

Cited by 21 publications

References 41 publications

Temperature-Controlled Synthesis of Li- and Mn-Rich Li_1.2Mn_0.54Ni_0.13Co_0.13O₂ Hollow Nano/Sub-Microsphere Electrodes for High-Performance Lithium-Ion Battery

Temperature-Controlled Synthesis of Li- and Mn-Rich Li_1.2Mn_0.54Ni_0.13Co_0.13O₂ Hollow Nano/Sub-Microsphere Electrodes for High-Performance Lithium-Ion Battery

Surface-Functionalized Coating for Lithium-Rich Cathode Material To Achieve Ultra-High Rate and Excellent Cycle Performance

Enhancing the long-cycling performance of a LiNi_0.8Co_0.15Al_0.05O₂@LaNiO₃ cathode material by surface modification

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Enhanced electrochemical performance of perovskite LaNiO3 coating on Li1.2Mn0.54Ni0.13Co0.13O2 as cathode materials for Li-ion batteries

Cited by 21 publications

References 41 publications

Temperature-Controlled Synthesis of Li- and Mn-Rich Li1.2Mn0.54Ni0.13Co0.13O2 Hollow Nano/Sub-Microsphere Electrodes for High-Performance Lithium-Ion Battery

Temperature-Controlled Synthesis of Li- and Mn-Rich Li1.2Mn0.54Ni0.13Co0.13O2 Hollow Nano/Sub-Microsphere Electrodes for High-Performance Lithium-Ion Battery

Surface-Functionalized Coating for Lithium-Rich Cathode Material To Achieve Ultra-High Rate and Excellent Cycle Performance

Enhancing the long-cycling performance of a LiNi0.8Co0.15Al0.05O2@LaNiO3 cathode material by surface modification

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Temperature-Controlled Synthesis of Li- and Mn-Rich Li_1.2Mn_0.54Ni_0.13Co_0.13O₂ Hollow Nano/Sub-Microsphere Electrodes for High-Performance Lithium-Ion Battery

Temperature-Controlled Synthesis of Li- and Mn-Rich Li_1.2Mn_0.54Ni_0.13Co_0.13O₂ Hollow Nano/Sub-Microsphere Electrodes for High-Performance Lithium-Ion Battery

Enhancing the long-cycling performance of a LiNi_0.8Co_0.15Al_0.05O₂@LaNiO₃ cathode material by surface modification