The acceleration intermediate phase (NiS and Ni 3 S 2 ) evolution by nanocrystallization in Li/NiS 2 thermal batteries with high specific capacity

Jin, Chao; Zhou, Lingping; Fu, Licai; Zhu, Jiajun; Li, Deyi; Yang, Wulin

doi:10.1016/j.jpowsour.2017.03.119

Cited by 59 publications

(37 citation statements)

References 38 publications

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“…Recently, nickel sulfide@graphene or graphene‐derivative composites have been synthesized to assemble full LIBs . In 2016, Yu et al, through a two‐step method (a facile hydrothermal step and a subsequent heating treatment process), obtained Ni 3 S 2 @C‐rGO.…”

Section: Lithium‐ion Batteriesmentioning

confidence: 99%

Transition Metal Sulfides Based on Graphene for Electrochemical Energy Storage

Geng

Zheng

Tang

et al. 2018

Advanced Energy Materials

751

281

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factors: electrode materials, electrolytes, and separators. [18] Finding suitable electrode materials to promote and realize their commercialization is still considered one of the major challenges. [19][20][21] Up to now, electrode materials have commonly included carbon materials (CMs), [5,13,22] conducting polymer materials (CPMs), [23] transition metal oxides (TMOs), [24] and others. [25][26][27] However, they all have their respective shortcomings; for instance, CMs tend to restack and then decrease the specific surface area, which is an important index for CM performance. [28][29][30] CPMs show the same phenomenon that the original structure will collapse under long-term charge/discharge process. [23] Although the above two types of electrode materials have good electron conductivity, their changing specific surface area and structures during use make them unlikely to be promising electrode materials. TMOs always have a good reversible faradic reaction due to their valence flexibility. However, in comparison to CMs, their poor electron conductivity may lower their specific capacity. [31][32][33] Transition metal sulfides (TMSs) have attracted tremendous attention due to their high specific capacity. For example, nickel and cobalt sulfides (e.g., NiS x , CoS x ) have specific capacities that are double of their oxide counterparts (e.g., NiO x , CoO x ). [22,[34][35][36] This is because the replacement of oxygen with sulfur, an element with a lower electronegativity, increases the performance compared to TMOs. [37,38] However, their unyielding volume change during the cycling process has hindered their further development and application in lithium and sodium rechargeable batteries. [39] Though TMSs possess high specific capacities and excellent rate capabilities when used for SCs, it is difficult to achieve all these objectives simultaneously from a single material. Therefore, the hybridization of different materials with different properties is becoming an interesting research area. Recent papers have testified that the adulteration of graphene or graphene derivatives can solve these issues and increase the electrochemical performance of energy storage devices. [40][41][42] It can be attributed to the properties of graphene: 2D conductive networks, a large specific surface area, and good physicochemical stability. In addition to these properties, their porous structure can effectively promote the diffusion of electrolyte ions. Therefore, 2D graphene is one of the ideal support framework materials to prepare TMS@graphene composites for electrode materials. [43][44][45][46] Transition metal sulfides, as an important class of inorganics, can be used as excellent electrode materials for various types of electrochemical energy storage, such as lithium-ion batteries, sodium-ion batteries, supercapacitors, and others. Recent works have identified that mixing graphene or graphene derivatives with transition metal sulfides can result in novel composites with better electrochemical performance. This review summarizes ...

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Section: Lithium‐ion Batteriesmentioning

confidence: 99%

Transition Metal Sulfides Based on Graphene for Electrochemical Energy Storage

Geng

Zheng

Tang

et al. 2018

Advanced Energy Materials

751

281

View full text Add to dashboard Cite

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“…To maximize the performance of NiS 2 , Zhou et al fabricated NiS 2 as a nanostructure and evaluated its properties and performance. 22) In this study, single cells composed of a nano-NiS 2 cathode, an LiCl-LiBr-LiF electrolyte, and an Li-B anode were fabricated and evaluated. All components were fabricated into pellet-type materials using a powder compaction process.…”

Section: Nismentioning

confidence: 99%

“…The most commonly used cathode material to date is FeS 2 . In addition to studies on optimizing electrode fabrication using FeS 2 , [10][11][12][13][14][15] studies have been conducted on the use of materials such as CoS 2 , [16][17][18][19][20][21] NiS 2 , [22][23][24] NiCl 2 , [25][26][27][28] CuVO, [29][30] and others. [31][32][33] Masset et al cited the following key properties to be considered as cathode materials for thermal batteries: 4) • Redox potential: it should have a discharge potential that is compatible with the electrochemical window of the electrolyte in order to prevent oxidation.…”

Section: Introductionmentioning

confidence: 99%

Recent Progress in Cathode Materials for Thermal Batteries

Kang

Cheong

et al. 2019

J. Korean Ceram. Soc

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Thermal batteries are reserve batteries with molten salts as an electrolyte, which activates at high temperature. Due to their excellent reliability, long shelf life, and mechanical robustness, thermal batteries are used in military applications. A high-performance cathode for thermal batteries should be considered in terms of its high capacity, high voltage, and high thermal stability. Research progress on cathode materials from the recent decade is reviewed in this article. The major directions of research were surface modification, compounding of existing materials, fabrication of thin film cathode, and development of new materials. In order to develop a high-performance cathode, a proper combination of these research directions is required while considering mass production and cost.

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“…Although the electrochemical properties of CoS 2 and NiS 2 are similar to those of FeS 2 , sulfur exhibits a high loss rate when it encounters electrolytic salts (Preto et al, 1983). In addition, synthesis of CoS 2 is expensive, thereby limiting its usage in large-scale applications (Jin et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

Binder-Free Cathode for Thermal Batteries Fabricated Using FeS2 Treated Metal Foam

Kim

Woo

et al. 2020

Front. Chem.

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In this study, we fabricated a cathode with lower amounts of additive materials and higher amounts of active materials than those of a conventional cathode. A thermal battery was fabricated using FeS 2 treated foam as the cathode frame, and its feasibility was verified. X-ray diffraction, transmission electron microscopy, and scanning electron microscopy were used to analyze the effects of thermal sulfidation temperature (400 and 500 • C) on the structure and surface morphology of the FeS 2 foam. The optimal temperature for the fabrication of the FeS x treated foam was determined to be 500 • C. The FeS 2 treated foam reduced the interfacial resistance and improved the mechanical strength of the cathode. The discharge capacity of the thermal battery using the FeS 2 treated foam was about 1.3 times higher than that of a thermal battery using pure Fe metal foam.

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The acceleration intermediate phase (NiS and Ni 3 S 2 ) evolution by nanocrystallization in Li/NiS 2 thermal batteries with high specific capacity

Cited by 59 publications

References 38 publications

Transition Metal Sulfides Based on Graphene for Electrochemical Energy Storage

Transition Metal Sulfides Based on Graphene for Electrochemical Energy Storage

Recent Progress in Cathode Materials for Thermal Batteries

Binder-Free Cathode for Thermal Batteries Fabricated Using FeS2 Treated Metal Foam

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