Article
Energy & Fuels
Jijian Zhang, Jing Li, Danying Zuo, Jin Xu, Hongwei Zhang
Summary: By using a ternary deep eutectic solvent to prepare eutectogels, the problems of carbon-based supercapacitors, such as low operating potential window and energy density, can be addressed. The optimized eutectogels show high ionic conductivity and good stretchability and twistability, making the quasi-solid-state supercapacitors with eutectogels exhibit stable voltage window, high energy density, and excellent cycling stability.
JOURNAL OF ENERGY STORAGE
(2023)
Article
Energy & Fuels
Chaoran Qin, Xiaoyi Wu, Cui Huang, Bo Duan, Jinping Zhou, Hongye Yang, Ang Lu
Summary: In this study, a tooth-derived supercapacitor was fabricated for the first time, demonstrating excellent performance and potential for applications in energy storage field.
JOURNAL OF ENERGY STORAGE
(2022)
Review
Chemistry, Applied
Murilo M. Amaral, Raissa Venancio, Alfredo C. Peterlevitz, Hudson Zanin
Summary: Solid-state and quasi-solid-state electrolytes have gained attention for their advantages in leakage prevention, safety, and flexibility. Quasi-solid-state electrolytes show higher energy and power densities due to better ionic conductivity. Organic quasi-solid-state electrolytes with a working voltage window greater than 2.5 V require more attention, while aqueous-based solid-state electrolytes offer easier handling, greater ionic conductivity, and capacitance. Recent developments in water-in-salt polymer-electrolytes have exhibited stability up to 2 V, encouraging further research in aqueous-based quasi-solid-state electrolytes. These electrolytes have potential application in flexible and bendable devices, promoting advancements in portable electronics and wearables.
JOURNAL OF ENERGY CHEMISTRY
(2022)
Article
Energy & Fuels
Jnanendra Upadhyay, Rajiv Borah, Trishna Moyi Das, Jitu Mani Das
Summary: This study focuses on the development of flexible and compact supercapacitor materials with high energy density and high-power density. By embedding ruthenium oxide nanoparticles and polyaniline nanofibers in reduced graphene oxide, the researchers were able to maximize the electric double layer capacitance and integrate the pseudo-capacitance of the materials within the ternary nanocomposites. The resulting materials exhibited improved charge-transfer kinetics and achieved high capacitance and energy density in a flexible symmetric solid-state device.
JOURNAL OF ENERGY STORAGE
(2023)
Article
Chemistry, Physical
Jinyue Wen, Zhicheng Sun, Yun Qiao, Yang Zhou, Yibin Liu, Qingqing Zhang, Yuanyuan Liu, Shouzheng Jiao
Summary: This study focuses on utilizing quasi-solid-state polymer-based electrolytes to improve the leakage and volatilization problems of liquid electrolytes in dye-sensitized solar cells. By incorporating reduced graphene oxide (rGO) and intercalated MXene/rGO into a copolymer electrolyte, quasi-solid-state DSSCs with enhanced photoelectric performance were successfully prepared.
ACS APPLIED ENERGY MATERIALS
(2022)
Article
Engineering, Environmental
Amit Kumar Das, Bhimanaboina Ramulu, Edugulla Girija Shankar, Jae Su Yu
Summary: By employing rational surface engineering, a novel nanostructured CuS@PEDOT hybrid negative electrode was successfully constructed on a flexible conducting carbon cloth (CC) substrate, demonstrating high areal capacity and long-lasting electrochemical cycling stability.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Nanoscience & Nanotechnology
Thushani De Silva, Cole Damery, Rana Alkhaldi, Robinson Karunanithy, Dinuka H. Gallaba, Prasanna D. Patil, Milinda Wasala, Poopalasingam Sivakumar, Aldo Migone, Saikat Talapatra
Summary: This study presents the development of all solid-state flexible electrochemical double-layer capacitors using aligned multiwalled carbon nanotubes and a PVA/H3PO4 polymer gel. The devices exhibit high areal specific capacitance and energy density, and can withstand multiple mechanical bending cycles while maintaining stable performance. Various strategies for enhancing capacitive charge storage are also demonstrated, showing promise for robust, stackable, and flexible supercapacitors.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Materials Science, Multidisciplinary
Vitaly K. Vorobiov, Michael A. Smirnov, Natalya Bobrova, Maria P. Sokolova
Summary: The study focuses on a solid polymer electrolyte based on choline chloride/lactic acid deep eutectic solvent encapsulated in a chitosan matrix, showing high ionic conductivity and wide electrochemical stability window, suitable for electrochemical energy storage devices. Additionally, film electrodes prepared on this matrix exhibit high specific capacitance for assembling supercapacitors.
Article
Materials Science, Multidisciplinary
Hsin-Ju Lo, Man-Chen Huang, Yong-Hong Lai, Hsun-Yi Chen
Summary: These studies demonstrate that the Ni(OH)(2)-rGO supercapacitor with lithium-ion GPE can bi-functionally serve as either a battery-like or capacitor-like device, with high specific capacity, energy, and power characteristics.
MATERIALS CHEMISTRY AND PHYSICS
(2021)
Article
Energy & Fuels
Juan Wang, Chang Xu, Dong Zhang, Peimin Zhan
Summary: We have developed a low-cost and highly efficient hybrid material composed of polymer modified Portland cement (PC) and graphene oxide (GO) for solid-state supercapacitors. The interconnected porous structure of the composite ensures high ionic conductivity and enables effective energy storage. The optimized PAA (Mw = 5000)/PC-5% sample exhibits excellent multifunctionality, with an energy density of 15.93 mW h cm-2 and a compressive strength of 16.2 MPa after 28 days of curing. This integrated solid-state supercapacitor, fabricated using electrophoretic deposition of GO on Ni foam, demonstrates its significance in energy storage applications in the field of inorganic building materials.
JOURNAL OF ENERGY STORAGE
(2023)
Article
Chemistry, Multidisciplinary
X. M. Lei, C. X. Wang, B. Dong, L. Li
Summary: The oxidation-induced pores customization strategy is used to enhance the specific capacitance and rate performance of microporous carbon by facilitating the formation of hierarchical porous structures. Different carbon sources (apples and carrots) are tested, showing the universality of this strategy. A symmetric flexible quasi-solid-state supercapacitor is successfully constructed using potato-derived components, achieving high energy and power densities. This work provides an effective way to convert biomass into flexible energy storage devices.
MATERIALS TODAY CHEMISTRY
(2023)
Article
Engineering, Environmental
Xueli Wu, Fan Zeng, Xianyin Song, Xuefeng Sha, Hongtao Zhou, Xingang Zhang, Zhi Liu, Minghao Yu, Changzhong Jiang
Summary: In this work, researchers fabricated a Ni(OH)2/HGO nanocomposite by growing Ni(OH)2 nanoplates on highly-oxidized graphene oxide (HGO). The Ni(OH)2/HGO electrode exhibited a remarkable specific capacitance, benefiting from the porous structure and improved conductivity of HGO substrates and the more exposed active sites of Ni(OH)2 nanoplates. Furthermore, an all-solid-state Ni(OH)2/HGO//activated carbon-based asymmetric flexible supercapacitor was fabricated and displayed excellent areal specific capacitance, energy density, and power density.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Physical
Yue Zhang, Wei Lu, Dan Manaig, Donald J. Freschi, Yulong Liu, Haiming Xie, Jian Liu
Summary: A quasi-solid-state Li-Te battery with flexible gel polymer electrolyte, porous carbon/tellurium cathode, and lithium metal anode has been developed, showing controllable ionic conductivity and excellent cycling stability. Compared to S and Se counterparts, the Li-Te battery exhibits good rate capability due to the high electrical conductivity of Te and excellent interfacial stability.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Chemistry, Multidisciplinary
Kun Gao, Shidi Ju, Shuning Li, Shaohua Zhang, Jiajia Liu, Tian Yang, Jinsheng Lv, Wenjing Yu, Zhipan Zhang
Summary: Researchers decoupled the functions of electrochromism and energy storage in conventional cathodes of aqueous electrochromic batteries (ECBs) by introducing a polyaniline/triiodide composite cathode. This led to significantly improved capacity, energy density, and power density.
Article
Nanoscience & Nanotechnology
Shrabani De, Sourav Acharya, Chandan Kumar Maity, Ganesh Chandra Nayak
Summary: This study reports a facile hydrothermal synthesis of tungsten disulfide (WS2)-decorated MXene/functionalized boron nitride (BN) nanohybrid as a cathode for all-solid-state flexible asymmetric supercapacitors. The MXene/functionalized BN heterostructure showed increased surface area by reducing sheet restacking, and incorporation of WS2 added redox-active centers. The assembled device exhibited a specific capacitance of 140 F g(-1) and an energy density of 19.4 Wh kg(-1) at 1 A g(-1), with 84% capacitance retention after 10,000 cycles. Additionally, the device was able to power a light-emitting diode (LED), indicating its potential practical applicability in future portable electronics.
ACS APPLIED NANO MATERIALS
(2023)
Article
Physics, Applied
Mohana Sruthi Mallela, Jui-Hsuan Tsai, Jian-Zhi Huang, Cheng-Che Hsu, Mei-Hsin Chen, Chih- Wu, Jian-Zhang Chen, I-Chun Cheng
Summary: This study demonstrates the use of atmospheric pressure plasma treatment to enhance the interface properties between the active perovskite layer and electron transport layer in flexible perovskite solar cells. By applying a scan-mode low-temperature helium dielectric barrier discharge (DBD) jet to process the TiO2 nanoparticle layers, the photoelectrical conversion efficiency of the cells is improved from 12.30% to 13.66%. This improvement is attributed to the increase of hydrophilic functional groups and the reduction of charge transfer resistance on the surface of the TiO2 nanoparticle layer.
JOURNAL OF PHYSICS D-APPLIED PHYSICS
(2022)
Article
Chemistry, Physical
Chen Liu, Chia-Yun Tseng, Ying-Chyi Wang, I-Chun Cheng, Jian-Zhang Chen
Summary: The experimental results show that Ru/NF catalyst treated with 95%Ar-5%O-2 plasma exhibits significantly improved electrocatalytic activity for the hydrogen evolution reaction, with superior performance compared to other gas treatments.
Article
Chemistry, Physical
Chen-Han Chen, I-Chun Cheng, Jian-Zhang Chen
Summary: This study uses a simple method to produce a superhydrophobic PDMS surface and convert it from a petal effect to a lotus effect surface. By treating PDMS with PFDTS solution, the contact angle hysteresis is significantly reduced, resulting in a lotus effect surface. This study provides a convenient method to transform a rough PDMS surface into a lotus effect surface.
SURFACES AND INTERFACES
(2022)
Article
Energy & Fuels
Chung-Yueh Shih, I-Chih Ni, Chih-Lin Chan, Cheng-Che Hsu, Chih- Wu, I-Chun Cheng, Jian-Zhang Chen
Summary: In this study, a helium DBD jet was used for the first time to treat graphite foil as the current collector of a paper-based fluidic aluminum-air battery. The plasma functionalized the graphite foil surface to improve wettability and enhance battery performance. The treatment significantly improved current density, power density, and energy density.
Article
Chemistry, Physical
Jheng-Yun Lai, Cheng-Che Hsu, Jian-Zhang Chen
Summary: In this study, rGO-Mn(NO3)2·4H2O was converted into rGO-MnOx using nitrogen atmospheric-pressure plasma jet (APPJ) and/or tube furnace. The SCs processed by APPJ showed better performance compared to furnace-processed ones. Additionally, the rGO-MnOx SC outperformed the previously reported rGO-SnOx SC.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Physical
Chia-Yun Tseng, I-Chun Cheng, Jian-Zhang Chen
Summary: A NiFe bimetallic metal organic framework (MOP) deposited on nickel foam and processed by low-pressure plasmas with different gas compositions showed excellent electrocatalytic performance for the oxygen evolution reaction. The plasma-treated NiFe-M0Fs/NF exhibited the lowest overpotential and a steep Tafel slope, indicating efficient catalytic activity. The plasma treatment also led to reduced interfacial impedance and slightly increased electrical double-layer capacitance.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2022)
Article
Materials Science, Ceramics
Jheng-Yun Lai, Hong-Kai Chen, Cheng-Che Hsu, Jian-Zhang Chen
Summary: LiCl-Mn(NO3)(2)center dot 4H(2)O pastes were screen-printed on a carbon cloth substrate and converted into LiMn2O4 by furnace-calcination. The LiMn2O4 electrode was then post-processed using a nitrogen atmospheric-pressure plasma jet (APPJ) to create oxygen vacancy defects. The Li-ion hybrid supercapacitors (Li-HSCs) were tested in 1-M Li2SO4 aqueous solution by cyclic voltammetry (CV) and galvanostatic charging/discharging (GCD). The results show that proper APPJ treatment optimizes the performance of Li-HSCs, while excessive treatment may cause material damage. After a 3-minute APPJ treatment at 620 degrees C, the Li-HSCs exhibited a maximum areal capacitance of 87.96 mF/cm(2) with capacitance retention of 124.8% after a 1000-cycle CV test.
CERAMICS INTERNATIONAL
(2023)
Article
Electrochemistry
Wei-Hang Cho, I-Chun Cheng, Jian-Zhang Chen
Summary: Through electrochemical experiments, it was found that rGO-PANI supercapacitors exhibit large pseudocapacitance effect in lithium salt electrolytes, while showing large electrical double-layer capacitance effect in sulfuric acid electrolyte. The rGO-PANI supercapacitor with H2SO4 electrolyte has the largest areal capacitance of 48.83 mF/cm(2), whereas those with LiCl and Li2SO4 electrolytes have areal capacitances of 31.69 mF/cm(2) and 22.35 mF/cm(2) respectively. After a 10,000-cycle CV stability test, the rGO-PANI supercapacitor with Li2SO4 electrolyte shows some ion embedding, resulting in better cycling stability than those with LiCl and H2SO4 electrolytes.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2023)
Article
Materials Science, Multidisciplinary
Ting-Wei Tsai, I-Chih Ni, Chih- Wu, I-Chun Cheng, Jian-Zhang Chen
Summary: In this study, temperature sensors were fabricated using a mixture of carbon nanotube (CNT) and poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS). The aging of CNT/PEDOT:PSS solution significantly increased the temperature sensitivity and Seebeck coefficient. This serves as a facile method to improve the temperature sensitivity of the CNT/PEDOT:PSS composite.
ECS JOURNAL OF SOLID STATE SCIENCE AND TECHNOLOGY
(2023)
Article
Materials Science, Multidisciplinary
Ying-Chyi Wang, I-Chun Cheng, Jian-Zhang Chen
Summary: Comparison was made between screen-printed flexible supercapacitors prepared using different pastes, and PEDOT:PSS/rGO-CS SCs showed higher pseudocapacitance and excellent performance in stability and bending tests.
ECS JOURNAL OF SOLID STATE SCIENCE AND TECHNOLOGY
(2022)
Editorial Material
Physics, Fluids & Plasmas
Jian-Zhang Chen, Meng-Jiy Wang, Kun-Mo Lin, Yun-Chien Cheng, Kungen Teii, Hiroaki Ito
IEEE TRANSACTIONS ON PLASMA SCIENCE
(2023)
Article
Physics, Multidisciplinary
Chih-Lin Chan, I-Chih Ni, Chih- Wu, I-Chun Cheng, Jian-Zhang Chen
Summary: This study investigates the effect of low-pressure plasma (LPP) processing on the surface properties of a graphite foil as the cathode of a paper-based fluidic Al-air battery. The plasma treated battery showed better discharge performance in terms of current density, power density, and energy density compared to an untreated battery.
Article
Materials Science, Multidisciplinary
Hong-Kai Chen, I-Chih Ni, Chih- Wu, I-Chun Cheng, Jian-Zhang Chen
Summary: LiCl + Mn(NO3)(2)center dot 4H(2)O pastes are screen-printed on a carbon cloth substrate and converted into LiMn2O4 by calcining at 400 degrees C for 6 h. Then, the LiMn2O4/carbon cloth is treated with Ar, Ar+5%H-2, or Ar+5%O-2 low-pressure plasma. The treated LiMn2O4/carbon cloth is used as the electrode for Li-ion hybrid supercapacitors (Li-HSCs) and shows improved performance, especially with Ar+5%O-2 plasma treatment.
ECS JOURNAL OF SOLID STATE SCIENCE AND TECHNOLOGY
(2023)
Article
Chemistry, Multidisciplinary
Jia-Shiuan Tsai, Jian-Zhang Chen
Summary: This study investigated the impact of oxygen impurity on the inlet gas in a nitrogen atmospheric pressure plasma jet (APPJ). A numerical model was developed to simulate the nitrogen APPJ considering fluid dynamics, heat transfer, mass transfer, diffusion, and chemical reactions. Experimental tests were conducted to verify the plasma temperature characteristics on the treated surface. The findings revealed that the plasma temperature decreased with increasing oxygen impurity, affecting the excited and neutral species composition.
APPLIED SCIENCES-BASEL
(2023)
Article
Chemistry, Analytical
Pei-Ling Lan, I-Chih Ni, Chih- Wu, Cheng-Che Hsu, I-Chun Cheng, Jian-Zhang Chen
Summary: By processing reduced graphene oxide and LiCl-Mn(NO3)(2)·4H(2)O mixture through calcination, rGO-LiMnOx nanocomposites are obtained and used in the fabrication of hybrid supercapacitors (HSCs). Among the HSCs using different gel electrolytes, the one with Li2SO4 gel electrolyte exhibits the highest areal capacitance and energy density, while the one with H2SO4 gel electrolyte shows better cycling stability. These findings shed light on the interplay between gel electrolytes and electrode materials, providing insights into the design and optimization of high-performance HSCs.
