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Figure 4. Lithium-ion transference number data curves (Adv. Mater. 2025, 2507331).

How to Measure Li-ion Transference Number and Ionic Conductivity? 2026 post

January 24, 2026

When I asked Google Gemini how to Measure Li-ion Transference Number and Ionic Conductivity, its reply was: 1. Ionic Conductivity Testing (EIS Method) Ionic conductivity is typically measured using Electrochemical Impedance Spectroscopy (EIS) with a symmetric cell (e.g., Stainless Steel/Electrolyte/Stainless Steel). Method: EIS at Open Circuit Potential (OCP). Frequency Range: 1 MHz to 1 Hz (The high-frequency intercept on the real axis represents the bulk resistance, Rb.). Amplitude: 5 mV to 10 mV. Calculation: sigma = L / (Rb x S), where L is the electrolyte thickness and S is the electrode contact area.. Key Parameters: Precise temperature control is essential as conductivity is highly temperature-dependent.   More: What is

Figure 2. Data graphs of PITT's (a) discharge and (b) charging processes. (Chem. 2020, 6, 12, 3297-3311)

PITT test for Lithium-Sulfur batteries on Neware BTS 8.0

January 23, 2026

How to set up PITT test for Lithium-Sulfur batteries on Neware BTS 8.0? Basic Principles of PITT Test PITT requires the application of a series of small potential steps (typically 5 mV to 10 mV) to the battery. The voltage is held constant at each step until the current decays to a pre-set threshold. By recording the current-time curves (I vs. t), the diffusion coefficients of the Lithium-Sulfur battery can be calculated at different depths of discharge (DOD). Source: WeChat Official Account 萝卜大师兄 Lbdsx “Brother Radish” Today I’ll share the parameter settings for the PITT test of lithium-sulfur batteries (we’re using Neware battery cyclers). In the PITT test of lithium-sulfur

Pouch cells

How to make a pouch cell in lab without equipment? 2026 post

January 23, 2026

How to make a pouch cell in lab without equipment? As we know, the normal process for making pouch cells involves preparing the electrode sheets, then cutting the positive and negative electrodes using a film-cutting machine, cutting the aluminum-plastic film using an aluminum-plastic film forming machine, and welding the tabs using an ultrasonic spot welder. In the laboratory, lithium negative electrodes are generally used (it’s even more convenient if zinc electrodes, which can be assembled in air, are used). The next step is to transfer the batteries to a glove box and stack them using manual stacking fixtures or an automatic stacking machine. Finally, they are sealed using a top-side

GITT time-voltage curves (J. Am. Chem. Soc. 2025, 147, 18, 15435–15447)

How to set GITT test on Neware BTS for lithium-sulfur batteries? 2026 update

January 22, 2026

When I asked Google Gemini, how to set GITT test for lithium-sulfur batteries and how to set them on Neware battery testing system? Its answer is： For Lithium-Sulfur (Li-S) batteries, the GITT test is more complex than standard intercalation materials because of the liquid-to-solid phase transitions. Below is the guide for parameter settings and the configuration process in the Neware BTS software.   I. GITT Parameter Design for Li-S Batteries Unlike Li-ion batteries, Li-S cells involve the shuttle effect and viscosity changes in the electrolyte. Therefore, the parameters must be set to capture the equilibrium potential accurately. And 5. Data Logging: Every 5 – 10 seconds or Delta V =

Figure 2. Schematic illustration of the reaction pathways for Zn insertion in the as-prepared γ-MnO2 cathode.

Zn//MnO2 battery from Primary to Rechargeable: A Timeline of Key Breakthroughs in Aqueous Zinc-Ion Batteries (AZIBs) 2026 post

January 21, 2026

Zn//MnO2 battery from Primary to Rechargeable: A Timeline of Key Breakthroughs in Aqueous Zinc-Ion Batteries (AZIBs) For renewable energy to be truly viable, safe, low-cost, and scalable energy storage is essential. Aqueous Zinc-Ion Batteries (AZIBs) have entered the spotlight due to their non-flammable nature, eco-friendly raw materials, and high ionic conductivity. Through a comprehensive timeline, this article briefly outlines the critical milestones and methodologies that transformed the Zn//MnO2 (Zinc-Manganese) system from a primary cell into a rechargeable powerhouse. Why is everyone refocusing on our “old friend,” the zinc-manganese battery? The answer goes beyond mere “safety and affordability.” When researchers shifted their focus to the crystal framework of MnO2 and the chemical windows

Working mechanisms of our Zn–MnO2 battery Schematic diagram

How do aqueous zinc-ion batteries relate to traditional Zn//MnO₂ electrochemical systems? 2026 post

January 20, 2026

How do aqueous zinc-ion batteries relate to traditional Zn//MnO₂ electrochemical systems? Understanding the Link: Traditional Zn//MnO₂ Batteries vs. Modern Aqueous Zinc-ion Batteries (AZIBs) In the rapidly evolving world of energy storage, the “Zinc-Manganese” system is experiencing a significant renaissance. While most consumers are familiar with the classic Zn//MnO₂ alkaline battery used in household remotes, researchers are now pivoting toward the Aqueous Zinc-ion Battery (AZIB) as a sustainable alternative to Lithium-ion. What is an Aqueous Zinc-ion Battery (AZIB)? An Aqueous Zinc-ion Battery (AZIB) is a type of secondary (rechargeable) energy storage system that utilizes zinc ions ($Zn^{2+}$) as the charge carriers, moving between a zinc metal anode and an intercalation cathode

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