Nanoporous and lyophilic battery separator from regenerated eggshell membrane with effective suppression of dendritic lithium growth

Ma, Lianbo; Chen, Renpeng; Hu, Yi; Zhang, Wenjun; Zhu, Guoyin; Zhao, Peiyang; Chen, Tao; Wang, Caixing; Yan, Wen; Wang, Yanrong; Wang, Lei; Tie, Zuoxiu; Liu, Jie; Jin, Zhong

doi:10.1016/j.ensm.2018.04.016

Cited by 74 publications

(48 citation statements)

References 53 publications

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“…A good separator must realize a tradeoff between those properties to achieve the optimal performances in the battery. Considering their vital role in high performance LIBs, tremendous efforts have been devoted on them, either on thermal stability improvement (Mohanty et al, 2016;Jiang et al, 2017;Liu et al, 2017aLiu et al, , 2018bLi et al, 2018b), or ion transport capability enhancement (low MacMullin number, N m ) (Jayaraman and Schweizer, 2009;Dahbi et al, 2012;Kirchhofer et al, 2014;Keyser et al, 2017;Ma et al, 2018). With the respect of safety performance, many works concentrated on ceramic coating (Mohanty et al, 2016;Shi et al, 2016;Jiang et al, 2017) or polymer matrix optimization (Jayaraman and Schweizer, 2009;Liu et al, 2017aLiu et al, , 2018bLi et al, 2018b).…”

Section: Polymer Separatorsmentioning

confidence: 99%

“…The abundant imine and triazine groups in the polymer matrix endow the separator with high mechanical strength, thermal stability, and electrode affinity. Therefore, it can display outstanding dendrite suppress ability and rate performance (Ma et al, 2018). Rationally designed separators can not only prevent the thermal induced short circuit, but also realize some special functions, such as dangerous warning (Wu et al, 2014) or even fire retardant (Liu et al, 2017a).…”

Section: Polymer Separatorsmentioning

confidence: 99%

“…Preparation of the ESM separator. Reprinted fromMa et al (2018). Copyright (2018), with permission from Elsevier.…”

mentioning

confidence: 99%

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Safety Issues in Lithium Ion Batteries: Materials and Cell Design

et al. 2019

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As the most widely used energy storage device in consumer electronic and electric vehicle fields, lithium ion battery (LIB) is closely related to our daily lives, on which its safety is of paramount importance. LIB is a typical multidisciplinary product. A tiny single cell is composed of both organic and inorganic materials in multi scale. In addition, its relatively closure property made it difficult to be studied on line, let alone in the battery pack or system level. Safety, often manifested by stability on abuse, including mechanical, electrical, and thermal abuses, is a quite complicated issue of LIB. Safety has to be guaranteed in large scale application. Here, safety issues related to key materials and cell design techniques will be reviewed. Key materials, including cathode, anode, electrolyte, and separator, are the fundamental of the battery. Cell design and fabrication techniques also have significant influence on the cell's electrochemical and safety performances. Here, we will summarize the thermal runaway process in single cell level, and some recent advances on battery materials and cell design.

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Section: Polymer Separatorsmentioning

confidence: 99%

Section: Polymer Separatorsmentioning

confidence: 99%

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Safety Issues in Lithium Ion Batteries: Materials and Cell Design

et al. 2019

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“…1f). ESM has many applications for energy storage, such as serving as a source of carbon 42,43 , the precursor of synthetic separators 44 , and the nanomaterial-loading substrate 45,46 .…”

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confidence: 99%

Biomacromolecules enabled dendrite-free lithium metal battery and its origin revealed by cryo-electron microscopy

et al. 2020

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Metallic lithium anodes are highly promising for revolutionizing current rechargeable batteries because of their ultrahigh energy density. However, the application of lithium metal batteries is considerably impeded by lithium dendrite growth. Here, a biomacromolecule matrix obtained from the natural membrane of eggshell is introduced to control lithium growth and the mechanism is motivated by how living organisms regulate the orientation of inorganic crystals in biomineralization. Specifically, cryo-electron microscopy is utilized to probe the structure of lithium at the atomic level. The dendrites growing along the preferred < 111 > crystallographic orientation are greatly suppressed in the presence of the biomacromolecule. Furthermore, the naturally soluble chemical species in the biomacromolecules can participate in the formation of solid electrolyte interphase upon cycling, thus effectively homogenizing the lithium deposition. The lithium anodes employing bioinspired design exhibit enhanced cycling capability. This work sheds light on identifying substantial challenges in lithium anodes for developing advanced batteries.

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“…Furthermore, the last stage of the reaction during the discharging process is a solid phase reaction of the Li 2 S 2 transforming into Li 2 S with sluggish kinetics. The discharging production Li 2 S is easy to attach on the lithium metal anode surface, which has been proved to be a significant factor in the termination of the cell life, especially under high sulfur loading (>2 mg cm −2 ) …”

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confidence: 99%

Engineering Oxygen Vacancies in a Polysulfide‐Blocking Layer with Enhanced Catalytic Ability

et al. 2020

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The practical application of the lithium–sulfur (Li–S) battery is seriously restricted by its shuttle effect, low conductivity, and low sulfur loading. Herein, first‐principles calculations are conducted to verify that the introduction of oxygen vacancies in TiO2 not only enhances polysulfide adsorption but also greatly improves the catalytic ability and both the ion and electron conductivities. A commercial polypropylene (PP) separator decorated with TiO2 nanosheets with oxygen vacancies (OVs‐TiO2@PP) is fabricated as a strong polysulfide barrier for the Li–S battery. The thickness of the OVs‐TiO2 modification layer is only 500 nm with a low areal mass of around 0.12 mg cm−2, which enhances the fast lithium‐ion penetration and the high energy density of the whole cell. As a result, the cell with the OVs‐TiO2@PP separator exhibits a stable electrochemical behavior at 2.0 C over 500 cycles, even under a high sulfur loading of 7.1 mg cm−2, and an areal capacity of 5.83 mAh cm−2 remains after 100 cycles. The proposed strategy of engineering oxygen vacancies is expected to have wide applications in Li–S batteries.

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Nanoporous and lyophilic battery separator from regenerated eggshell membrane with effective suppression of dendritic lithium growth

Cited by 74 publications

References 53 publications

Safety Issues in Lithium Ion Batteries: Materials and Cell Design

Safety Issues in Lithium Ion Batteries: Materials and Cell Design

Biomacromolecules enabled dendrite-free lithium metal battery and its origin revealed by cryo-electron microscopy

Engineering Oxygen Vacancies in a Polysulfide‐Blocking Layer with Enhanced Catalytic Ability

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