scholarly journals Sodium borohydride (NaBH4) as a high-capacity material for next-generation sodium-ion capacitors

2021 ◽  
Vol 19 (1) ◽  
pp. 432-441
Author(s):  
Pawel Jeżowski ◽  
Olivier Crosnier ◽  
Thierry Brousse
Keyword(s):  
Energy Density ◽  
Sodium Borohydride ◽  
Metal Ion ◽  
High Capacity ◽  
Negative Electrode ◽  
Sodium Ion ◽  
Modern World ◽  
Next Generation ◽  
Good Efficiency ◽  
Voltage Range

Abstract Energy storage is an integral part of the modern world. One of the newest and most interesting concepts is the internal hybridization achieved in metal-ion capacitors. In this study, for the first time we used sodium borohydride (NaBH4) as a sacrificial material for the preparation of next-generation sodium-ion capacitors (NICs). NaBH4 is a material with large irreversible capacity of ca. 700 mA h g−1 at very low extraction potential close to 2.4 vs Na+/Na0. An assembled NIC cell with the composite-positive electrode (activated carbon/NaBH4) and hard carbon as the negative one operates in the voltage range from 2.2 to 3.8 V for 5,000 cycles and retains 92% of its initial capacitance. The presented NIC has good efficiency >98% and energy density of ca. 18 W h kg−1 at power 2 kW kg−1 which is more than the energy (7 W h kg−1 at 2 kW kg−1) of an electrical double-layer capacitor (EDLC) operating at voltage 2.7 V with the equivalent components as in NIC. Tin phosphide (Sn4P3) as a negative electrode allowed the reaching of higher values of the specific energy density 33 W h kg−1 (ca. four times higher than EDLC) at the power density of 2 kW kg−1, with only 1% of capacity loss upon 5,000 cycles and efficiency >99%.

scholarly journals Nanostructured intermetallic InSb as a high-capacity and high-performance negative electrode for sodium-ion batteries

2021 ◽  
Author(s):  
Irshad Mohammad ◽  
Lucie Blondeau ◽  
Eddy Foy ◽  
Jocelyne Leroy ◽  
Eric Leroy ◽  
...  
Keyword(s):  
Intermetallic Compound ◽  
High Performance ◽  
High Capacity ◽  
Negative Electrode ◽  
Sodium Ion ◽  
Sodium Ion Batteries ◽  
Negative Electrodes ◽  
First Time

Following the trends of alloys as negative electrodes for Na-ion batteries, the sodiation of the InSb intermetallic compound was investigated for the first time. The benefit of coupling Sb with...

Rapid microwave assisted hydrothermal synthesis of porous α-Fe2O3 nanostructures as stable and high capacity negative electrode for lithium and sodium ion batteries

RSC Advances ◽  
2015 ◽  
Vol 5 (44) ◽  
pp. 34761-34768 ◽  
Author(s):  
B. Nageswara Rao ◽  
P. Ramesh Kumar ◽  
O. Padmaraj ◽  
M. Venkateswarlu ◽  
N. Satyanarayana
Keyword(s):  
Hydrothermal Synthesis ◽  
Hydrothermal Method ◽  
High Capacity ◽  
Negative Electrode ◽  
Sodium Ion ◽  
Sodium Ion Batteries ◽  
Base Catalyst ◽  
Microwave Assisted

Porous α-Fe2O3 nanostructures were developed in the presence of a base catalyst by a rapid microwave assisted hydrothermal method.

scholarly journals Ultrathin δ-MnO2 nanoflakes with Na+ intercalation as a high-capacity cathode for aqueous zinc-ion batteries

RSC Advances ◽  
2020 ◽  
Vol 10 (30) ◽  
pp. 17702-17712 ◽  
Author(s):  
Haijun Peng ◽  
Huiqing Fan ◽  
Chenhui Yang ◽  
Yapeng Tian ◽  
Chao Wang ◽  
...  
Keyword(s):  
Energy Density ◽  
High Capacity ◽  
High Energy ◽  
Zinc Ion ◽  
Sodium Ion ◽  
High Energy Density

Sodium-ion intercalated δ-MnO2 nanoflakes are applied in an aqueous rechargeable zinc battery cathode with high energy density and excellent durable stability.

scholarly journals Na2Ti3O7 Nanoplatelets and Nanosheets Derived from a Modified Exfoliation Process for Use as a High-Capacity Sodium-Ion Negative Electrode

2017 ◽  
Vol 9 (2) ◽  
pp. 1416-1425 ◽  
Author(s):  
Jesse S. Ko ◽  
Vicky V. T. Doan-Nguyen ◽  
Hyung-Seok Kim ◽  
Guillaume A. Muller ◽  
Andrew C. Serino ◽  
...  
Keyword(s):  
High Capacity ◽  
Negative Electrode ◽  
Sodium Ion

scholarly journals Na0.44MnO2/Polyimide Aqueous Na-ion Batteries for Large Energy Storage Applications

2021 ◽  
Vol 8 ◽  
Author(s):  
Satyanarayana Maddukuri ◽  
Amey Nimkar ◽  
Munseok S. Chae ◽  
Tirupathi Rao Penki ◽  
Shalom Luski ◽  
...  
Keyword(s):  
Energy Density ◽  
Electrochemical Performance ◽  
Coulombic Efficiency ◽  
Aqueous Media ◽  
Sodium Perchlorate ◽  
High Capacity ◽  
Capacity Retention ◽  
Voltage Range ◽  
Full Cell ◽  
High Concentrations

Aqueous salt batteries with high concentrations of salt or water in salt aqueous systems have received considerable attention with focus on improving working voltage range and energy density. Here, the effect of NaClO4 salt concentration on the electrochemical performance and stability of tunnel-type Na0.44MnO2 (NMO) cathodes and organic polyimide (PI) derivative anodes was studied. High capacity retention and 100% coulombic efficiency were shown for NMO/PI full cell in saturated NaClO4 electrolyte. A high, stable capacity of 115 mAh/g was achieved for the PI anode material, and the full cell showed a stable capacity of 41 mAh/g at 2C rate for 430 cycles (calculated for the weight of NMO cathode). Even at a fast 5C rate, a discharge capacity of 33 mAh/g was maintained for 2,400 prolonged cycles with nearly 100% efficiency. The full cell device can achieve an average voltage of 1 V with energy density of 24 Wh/kg. This study highlights concentrated sodium perchlorate as a promising electrolyte solution for stabilization of electrodes and enhancement of electrochemical performance in aqueous media.

Recent progress in the development of glass and glass-ceramic cathode/solid electrolyte materials for next-generation high capacity all-solid-state sodium-ion batteries: A review

2022 ◽  
Vol 521 ◽  
pp. 230930
Author(s):  
Suman Gandi ◽  
Venkata Satya Chidambara Swamy Vaddadi ◽  
Saran Srihari Sripada Panda ◽  
Nithin Kumar Goona ◽  
Saidi Reddy Parne ◽  
...  
Keyword(s):  
Solid State ◽  
Solid Electrolyte ◽  
Glass Ceramic ◽  
Recent Progress ◽  
High Capacity ◽  
Sodium Ion ◽  
Sodium Ion Batteries ◽  
Next Generation

scholarly journals Metal Coated Polypropylene Separator with Enhanced Surface Wettability for High Capacity Lithium Metal Batteries

2019 ◽  
Vol 9 (1) ◽  
Author(s):  
Mir Mehraj Ud Din ◽  
Ramaswamy Murugan
Keyword(s):  
High Capacity ◽  
Negative Electrode ◽  
Surface Wettability ◽  
Modern World ◽  
Lithium Metal ◽  
Positive Electrodes ◽  
Lithium Metal Batteries ◽  
Metallic Lithium ◽  
Polypropylene Separator ◽  
Enhanced Surface

AbstractLithium metal batteries are among the strong contenders to meet the increasing energy demands of the modern world. Metallic lithium (Li) is light in weight, possesses very low standard negative electrochemical potential and offers an enhanced theoretical capacity (3860 mA h g−1). As a negative electrode Li paves way to explore variety of elements including oxygen, sulfur and various other complex oxides as potential positive electrodes with a promise of much higher energy densities than that of conventional positive electrodes. However, there are technical challenges in utilizing metallic lithium due to its higher reactivity towards liquid electrolytes and higher affinity to form Li dendrites, leading to serious safety concerns. Here, we report on preparation of niobium (Nb) metal-coated binder-free and highly hydrophilic polypropylene separator prepared via radio frequency (RF) magnetron sputtering. Thin layer of niobium metal (Nb) particles were deposited onto the polypropylene (PP) sheet for various time periods to achieve desired coating thickness. The as-prepared separator revealed excellent hydrophilic behaviour due to enhanced surface wettability. Symmetric cells display reduced interface resistance and uniform voltage profiles for 1000 cycles with reduced polarization at higher current densities suggesting smooth stripping and plating of Li and homogeneous current distribution at electrode/electrolyte interface under room temperature conditions. Nb nanolayer protected separator with LiNi0.33M0.33Co0.33O2 (LNMC) and composite sulfur cathodes revealed an enhanced cycling stability.

Black Phosphorus as a High-Capacity, High-Capability Negative Electrode for Sodium-Ion Batteries: Investigation of the Electrode/Electrolyte Interface

2016 ◽  
Vol 28 (6) ◽  
pp. 1625-1635 ◽  
Author(s):  
Mouad Dahbi ◽  
Naoaki Yabuuchi ◽  
Mika Fukunishi ◽  
Kei Kubota ◽  
Kuniko Chihara ◽  
...  
Keyword(s):  
High Capacity ◽  
Negative Electrode ◽  
Black Phosphorus ◽  
Sodium Ion ◽  
Sodium Ion Batteries ◽  
Electrolyte Interface

scholarly journals Designing a hybrid electrode toward high energy density with a staged Li+ and PF6− deintercalation/intercalation mechanism

2020 ◽  
Vol 117 (6) ◽  
pp. 2815-2823 ◽  
Author(s):  
Junnan Hao ◽  
Fuhua Yang ◽  
Shilin Zhang ◽  
Hanna He ◽  
Guanglin Xia ◽  
...  
Keyword(s):  
Energy Density ◽  
Structural Integrity ◽  
Electrode Materials ◽  
High Capacity ◽  
Lithium Ion ◽  
High Energy ◽  
High Energy Density ◽  
Ex Situ ◽  
Discharge Process ◽  
Voltage Range

Existing lithium-ion battery technology is struggling to meet our increasing requirements for high energy density, long lifetime, and low-cost energy storage. Here, a hybrid electrode design is developed by a straightforward reengineering of commercial electrode materials, which has revolutionized the “rocking chair” mechanism by unlocking the role of anions in the electrolyte. Our proof-of-concept hybrid LiFePO4 (LFP)/graphite electrode works with a staged deintercalation/intercalation mechanism of Li+ cations and PF6− anions in a broadened voltage range, which was thoroughly studied by ex situ X-ray diffraction, ex situ Raman spectroscopy, and operando neutron powder diffraction. Introducing graphite into the hybrid electrode accelerates its conductivity, facilitating the rapid extraction/insertion of Li+ from/into the LFP phase in 2.5 to 4.0 V. This charge/discharge process, in turn, triggers the in situ formation of the cathode/electrolyte interphase (CEI) layer, reinforcing the structural integrity of the whole electrode at high voltage. Consequently, this hybrid LFP/graphite-20% electrode displays a high capacity and long-term cycling stability over 3,500 cycles at 10 C, superior to LFP and graphite cathodes. Importantly, the broadened voltage range and high capacity of the hybrid electrode enhance its energy density, which is leveraged further in a full-cell configuration.

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