Progress on Space Materials Science in China: Debris Shielding Fibrous Materials and High Specific Energy Lithium Sulfur Batteries
doi: 10.11728/cjss2022.04.yg24
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Abstract: The development of China’s space industry puts forward urgent requirements for high-performance debris shielding materials and high energy density rechargeable battery. In this review, the recent progress on debris shielding fibrous materials and high energy density Li-S battery are particularly summarized. According to the experimental results, basalt fibers and silicon carbide fibers were chosen as the effective filling shielding materials. The geometric structure of fabrics was also investigated. For the novel shielding materials, high-strength and flexible silicon carbide micro-nano fibrous membranes were designed and fabricated. The obtained membranes with excellent mechanical properties portend the potential applications in debris protection structure. Furthermore, the high specific energy lithium sulfur batteries have made remarkable progress in fundamental research and application research in recent years. In order to solve the key problems of polysulfides shuttle and slow redox kinetics in lithium sulfur battery, a series of transition metal compound@hollow carbon-based material as sulfur host with dual functions of catalysis and adsorption towards polysulfides were designed and constructed. The obtained Li-S pouch cells with high areal sulfur loading of 6.9 mg·cm–2 yield exceptional high practical energy density of 382 W·h·kg–1 under lean electrolyte of 3.5 μL·mg–1, demonstrating the great potential of realistic high-energy Li-S batteries.
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Key words:
- Space materials /
- Silicon carbide fibers /
- Debris shielding /
- Li-S battery
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[1] YAN Jun, ZHENG Shigui. Space debris protection design for the space station[J]. Space Debris Research, 2017, 17(1): 25-29 [2] GU Bohong, SUN Baozhong. Impact Dynamics of Textile Structural Composites[M]. Beijing: Science Press, 2012 [3] WU N, WANG B, WANG Y D. Enhanced mechanical properties of amorphous SiOC nanofibrous membrane through in situ embedding nanoparticles[J]. Journal of the American Ceramic Society, 2018, 101(10): 4763-4772 doi: 10.1111/jace.15732 [4] ZHANG X S, WANG B, WU N, et al. Multi-phase SiZrOC nanofibers with outstanding flexibility and stability for thermal insulation up to 1400℃[J]. Chemical Engineering Journal, 2021, 410: 128304 doi: 10.1016/j.cej.2020.128304 [5] ZHANG X S, TIAN Q, WANG B, et al. Flexible porous SiZrOC ultrafine fibers for high-temperature thermal insulation[J]. Materials Letters, 2021, 299: 130131 doi: 10.1016/j.matlet.2021.130131 [6] SUN W W, LIU C, LI Y J, et al. Rational construction of Fe2N@C yolk-shell nanoboxes as multifunctional hosts for ultralong lithium-sulfur batteries[J]. ACS Nano, 2019, 13(10): 12137-12147 doi: 10.1021/acsnano.9b06629 [7] SUN W W, LI Y J, LIU S K, et al. Mechanism investigation of iron selenide as polysulfide mediator for long-life lithium-sulfur batteries[J]. Chemical Engineering Journal, 2021, 416: 129166 doi: 10.1016/j.cej.2021.129166 [8] SUN W W, LI Y J, LIU S K, et al. Catalytic Co9S8 decorated carbon nanoboxes as efficient cathode host for long-life lithium-sulfur batteries[J]. Nano Research, 2020, 13(8): 2143-2148 doi: 10.1007/s12274-020-2821-x [9] SUN X X, LIU S K, SUN W W, et al. Nano-confined synthesis of multi yolk-shell Co-NC@N-HCSs hybrid as sulfur host for high performance lithium-sulfur batteries[J]. Electrochimica Acta, 2021, 398: 139302 doi: 10.1016/j.electacta.2021.139302 [10] WANG L, LIU S K, HU J, et al. Tailoring polysulfide trapping and kinetics by engineering hollow carbon bubble nanoreactors for high-energy Li-S pouch cells[J]. Nano Research, 2021, 14(5): 1355-1363 doi: 10.1007/s12274-020-3181-2