The mediator subunit Med23 contributes to controlling T-cell activation and prevents autoimmunity

Sun, Yangying; Zhu, Xiaoyan; Chen, Xufeng; Liu, Haifeng; Xu, Yu; Chu, Yajing; Wang, Gang; Liu, Xiaolong

doi:10.1038/ncomms6225

Cited by 31 publications

(35 citation statements)

References 48 publications

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“…Accordingly, the values of capacities increase and become relatively stable. [48] After 100 cycles, a charge capacity of 380.3 mAh g À1 is achieved for the battery based on the new current collector, whereas the one with a cellular Cu current collector delivers a reversible capacity of 331.4 mAh g À1 . In contrast, www.advancedsciencenews.com www.entechnol.de the cell with a complanate Cu current collector only maintains a capacity of 215.9 mAh g À1 , which is much lower than the LIBs with cellular Cu@CuO and Cu current collectors.…”

Section: Electrochemical Measurementsmentioning

confidence: 99%

Honeycomb‐Inspired Surface‐Patterned Cu@CuO Composite Current Collector for Lithium‐Ion Batteries

et al. 2019

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The interface design between the current collector and active materials has a non‐negligible effect on the performance of lithium‐ion batteries (LIBs). Inspired by the honeycomb with a large specific surface area, this work validates the use of a surface‐patterned cellular Cu@CuO composite current collector with a hexagonal blind hole array and a nanostructured film of CuO nanoflowers for LIBs. This unique structure is synthesized by lithography and solution immersion. Mesocarbon microbead graphite powders are used as the active materials. Results show that the battery with the cellular Cu@CuO current collector maintains a reversible charge capacity of 354.1 mAh g−1 at 100 mA g−1 after 200 cycles. Compared with the Cu‐based current collector with a hexagonal blind hole array and a bare Cu current collector, the new pattern gains a performance improvement in the reversible capacity by 27.9% and 153.2%, respectively. The excellent electrochemical property of the cellular Cu@CuO current collector can be ascribed to strengthened adhesion with the active materials, reduced contact resistance, and improved Li‐ion diffusion capability. Due to the enhanced electrochemical performance, facile preparation processes, and cost‐effective raw materials, the new current collector shows great potential to replace the conventional current collector of energy storage systems.

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Section: Electrochemical Measurementsmentioning

confidence: 99%

Honeycomb‐Inspired Surface‐Patterned Cu@CuO Composite Current Collector for Lithium‐Ion Batteries

et al. 2019

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“…In this case, the U-shape was associated with high-rate lithiation-induced reactivation of the active material. [92] Pristine oxides of ruthenium, chromium, nickel and copper are often reported to show poor long-term cycling with pronounced capacity fading. Theoretical capacities based on conversion reaction are hardly achieved in lab experiments, primarily attributed to large volume changes during lithiation/ delithiation associated with pulverization of the material and loss of electric contacts.…”

Section: Discussionmentioning

confidence: 99%

“…The new lithiation-tailored structure exhibited high volume expansion buffer capabilities and an optimized SEI could be formed (~15 nm in thickness) with high stability against volume changes, resulting in the observed enhanced rate performances without capacity fading over 7000 cycles. [92]…”

Section: Cobalt-oxide-based Negative Electrodesmentioning

confidence: 99%

Interfacial Phenomena/Capacities Beyond Conversion Reaction Occurring in Nano‐sized Transition‐Metal‐Oxide‐Based Negative Electrodes in Lithium‐Ion Batteries: A Review

Keppeler

Srinivasan

2017

ChemElectroChem

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Nano‐sized transition‐metal oxides are of topical interest in current research towards high‐capacity negative electrodes for rechargeable lithium‐ion batteries. Schematically, an interaction with Li+ through a conversion reaction is commonly accepted. However, experimentally observed capacities often significantly exceed the correlating theoretical quantity of transferred charge carriers based on the conversion reaction. The origin of the additional capacity is under intense debate, although the indispensability of interfacial phenomena and material dimensions in the nanometer regime for concrete explanations are widely observed. Scenarios associated with additional capacities are electrode/electrolyte interphases (solid‐electrolyte interphase, polymer/gel‐like film), additional Li+ accommodation through reaction with grain boundary phases in nanostructures, interfacial Li+ accommodation along with charge separation at phase boundaries, or additional Li+ uptake in unique structural architectures with high specific surface areas that often exhibit an extensive hierarchical meso‐ and/or nanoporous system. In addition, interfacial phenomena are strongly related to battery safety, and hence a topic of highest relevance. As the number of related articles has become so intense, this Review article provides an up‐to‐date summary, and a first attempt is made to systematically classify capacity profiles of nano‐sized transition‐metal oxides that exhibit additional capacities beyond the theoretical value based on the concept of conversion reaction.

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“…In the past decades, hollow micro/nanostructures have increased much research interests because of the unique structure and intriguing properties, [24][25][26][27][28][29] especially in energy storage. [29,30] However, to the best of our knowledge, less attention has been paid to the fabrication of MnCo 2 O 4 hollow spheresbased all-solid-state AMSC.…”

Section: Introductionmentioning

confidence: 99%

Highly Uniform MnCo₂O₄ Hollow Spheres‐Based All‐Solid‐State Asymmetric Micro‐Supercapacitor via a Simple Metal‐Glycerate Precursor Approach

et al. 2019

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Developing a high‐energy‐density all‐solid‐state asymmetric micro‐supercapacitor (AMSC) still remains a big challenge. Herein, a simple metal‐glycerate precursor strategy is used for the synthesis of highly uniform MnCo2O4 hollow spheres, and the all‐solid‐state AMSC is fabricated by MnCo2O4 hollow spheres. It is found that the MnCo2O4 hollow sphere electrode processes a high specific capacitance (0.80 F cm−2) at 2 mA cm−2 and an excellent cycling stability (99% capacitance retention after 2000 cycles). The as‐fabricated all‐solid‐state AMSC displays a high energy density of 0.052 mWh cm−3, a high power density of 320 mW cm−3, and a long cycling life (95.7% capacitance retention after 10 000 charge/discharge cycles). In addition, the all‐solid‐state AMSC can be easily assembled in series to achieve a desirable output voltage, which can drive a light‐emitting diode. This work demonstrates that the MnCo2O4 hollow spheres can be a promising electrode material for a stable, high‐energy‐density micro‐supercapacitor (MSC).

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The mediator subunit Med23 contributes to controlling T-cell activation and prevents autoimmunity

Cited by 31 publications

References 48 publications

Honeycomb‐Inspired Surface‐Patterned Cu@CuO Composite Current Collector for Lithium‐Ion Batteries

Honeycomb‐Inspired Surface‐Patterned Cu@CuO Composite Current Collector for Lithium‐Ion Batteries

Interfacial Phenomena/Capacities Beyond Conversion Reaction Occurring in Nano‐sized Transition‐Metal‐Oxide‐Based Negative Electrodes in Lithium‐Ion Batteries: A Review

Highly Uniform MnCo₂O₄ Hollow Spheres‐Based All‐Solid‐State Asymmetric Micro‐Supercapacitor via a Simple Metal‐Glycerate Precursor Approach

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The mediator subunit Med23 contributes to controlling T-cell activation and prevents autoimmunity

Cited by 31 publications

References 48 publications

Honeycomb‐Inspired Surface‐Patterned Cu@CuO Composite Current Collector for Lithium‐Ion Batteries

Honeycomb‐Inspired Surface‐Patterned Cu@CuO Composite Current Collector for Lithium‐Ion Batteries

Interfacial Phenomena/Capacities Beyond Conversion Reaction Occurring in Nano‐sized Transition‐Metal‐Oxide‐Based Negative Electrodes in Lithium‐Ion Batteries: A Review

Highly Uniform MnCo2O4 Hollow Spheres‐Based All‐Solid‐State Asymmetric Micro‐Supercapacitor via a Simple Metal‐Glycerate Precursor Approach

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Highly Uniform MnCo₂O₄ Hollow Spheres‐Based All‐Solid‐State Asymmetric Micro‐Supercapacitor via a Simple Metal‐Glycerate Precursor Approach