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Capacity retention vs coulombic efficiency

A multi-parameter analysis of iron/iron redox flow batteries:

Iron/iron redox flow batteries (IRFBs) are emerging as a cost-effective alternative to traditional energy storage systems. This study investigates the impact of key operational characteristics,

Improve Initial Coulombic Efficiency in Lithium Manganese

Initial Coulombic efficiency (ICE) in lithium manganese rich cathodes currently ranges between 75-85%, representing a significant capacity loss during the first charge-discharge cycle. This

Superionic conductivity in halide solid electrolyte enabled by

When integrated into all-solid-state batteries (ASSBs) with TiS 2 cathodes, Li 2 ZrCl 5 I electrolytes demonstrated exceptional electrochemical performance, including high initial

Iodine redox chemistry remarkably enhancing initial coulombic

C/SiO x anode with higher capacity and lower lithiation potential has been recognized as a next-generation alternative to graphite for high-energy-density lithium-ion batteries. However, C/SiO

Liquid–liquid interfacial tension stabilized Li-metal batteries

Using such strategy, a Li||LiNi 0.8 Co 0.1 Mn 0.1 O 2 (NCM811) cell achieves a capacity retention of 84.6% after 850 cycles with an upper cut-off voltage of 4.5 V and 94.4% after 400 cycles at...

Impact of Morphology and Carbon Coating Techniques on

The uncoated F-Si anode delivered 610 mAh/g initial capacity, 90% initial coulombic efficiency (ICE), and 51% retention after 100 cycles. MS, while lower in active silicon content, showed

Entropy-Stabilized Layered Oxides with Transition Metal

Compared with HEO, HEO- 0.04 exhibits superior sodium storage performance, delivering a 3.7% higher initial discharge capacity (132.1 vs. 127.4 mAh g –1 at 0.1 C), 12% enhanced initial

Simple and cost-effective method for engineering tunable

Notably, the lignite-derived HC material (L-1300) synthesized at 1300 °C achieves a reversible capacity of 295 mAh g⁻¹, an initial Coulombic efficiency of 89 %, and exceptional

Optimizing zinc anode stability through self-healing SEI films

High Coulombic Efficiency: The optimized SEI film achieves a Coulombic efficiency of 99.59%, suppresses dendrite growth, and maintains a capacity of 150 mAh g -1 after 1,750 cycles in

A Novel Non-Flammable Inorganic Liquid Electrolyte with

The NMC811 electrode with the UHV electrolyte (IE) shows excellent discharge capacity retention of 95% after 50 cycles, compared to the OE counterpart, which retains only 68% of the initial

Polyvinyl pyrrolidone coated hard carbon spheres as a high

Hard carbon (HC) has broad prospects as anode material for sodium-ion batteries (SIBs). However, the low initial coulombic efficiency (ICE) and poor cycle stability limit its further

Progress and Prospect in Rechargeable Al-based Battery

However, its cyclability is severely compromised, exhibiting only 56.4% capacity retention after 200 cycles and ~90% coulombic efficiency. This degradation stems primarily from parasitic

Polyethylene oxide binder suppressing polyiodide shuttling

The initial capacity reaches 206.9 mAh g −1 with a high average Coulombic efficiency of 99.86 % at 1C (211 mA g −1). Moreover, the battery maintains a high capacity of 154.6 mAh g −1 after

A multi-parameter analysis of iron/iron redox flow batteries:

IRFB systems with a volume of 60 mL per tank (20.25 Ah L −1) demonstrated superior capacity utilization, achieving a coulombic efficiency (CE) of up to 95% and an energy efficiency (EE) of

Pre-carbonization facilitates closed pore formation in asphalt

Therefore, adjusting factors such as temperature during the carbonization process is essential for controlling the proportion and size of closed pores in hard carbon anode materials. This will

High-entropy solvation chemistry towards affordable and

Herein, we propose a high-entropy solvation structure through introducing mixed halogen anions to break the trade-off between overpotential and Coulombic efficiency, and therefore, achieve...

Integrating Molecular Dynamics and Machine Learning for

In contrast to the baseline (initial CE = 89.26%, capacity fade after 50 cycles), S9 – S11 delivered higher initial Coulombic efficiencies (>94%) and sustained stable capacity retention for over

Phase-segregated SnSb alloy anode for lithium-ion battery

The SnSb-PA (5 h) exhibited a high initial Coulombic efficiency (ICE) of 94 % and stable cycling performance up to 100 cycles, whereas rapid capacity decay was observed in SnSb-FA (5 h)

Emerging directions and trends in MXene composites for

This contributes to excellent long-term cycling stability, as demonstrated by a capacity retention rate of 82.0% after 5000 cycles at a current density of 2 A g −1, and a Coulombic efficiency

A Novel Non-Flammable Inorganic Liquid Electrolyte with

The overall electrochemical performance of IE cells is superior in terms of discharge capacity, stability, and coulombic efficiency due to ultra-high electrochemical stability and higher

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