All-solid-state Sodium Ion Secondary Battery

All-Solid-State Batteries for safe, high-performance across extreme temperatures

Our all-solid-state secondary batteries are designed for a wide range of applications, from compact to large-scale, and from specialized to general-purpose use. Engineered for high safety, they deliver stable performance across low and high temperatures while enabling larger sizes and higher densities. The main components—cathode, anode, and solid electrolyte—are all made from stable oxide materials. These batteries feature strong integration using our proprietary technology utilizing glass softening property, ensuring highly efficient ionic conduction paths.

Applications

  • Batteries designed for extreme conditions such as space (vacuum and low temperature), marine (high pressure and low temperature), and medical (high temperature)
  • Batteries for electronics, mobility, and stationary applications that require high safety and battery design flexibility
  • Energy harvesting systems that utilize light, heat (temperature differences), vibration, and others as energy sources
  • Electronic circuit boards (capable of withstanding solder reflow processes up to 300°C)
  • Wireless solutions for devices operating at ultra-high temperatures exceeding 100°C
  • Environments or equipment where corrosive gas generation is a concern
photo of electronic board
photo of high temperature environment

Features

  • Practical operating voltage and long lifespan
    Operates at a practical level of 3V. Proprietary technology ensures strong integration of the solid electrolyte and electrodes, resulting in a long lifespan battery.
  • Wide operating temperature range
    Capable of driving industrial equipment and transferring large amounts of data in harsh environments such as low temperatures, high temperatures, and vacuum conditions. The heat-resistant package enables operation in ultra-high temperature ranges exceeding 100°C (up to 200°C).
  • No risk of ignition or toxic gas generation
    The main components—cathode, anode, and solid electrolyte—are made from stable oxide materials. Without liquid electrolytes, the risk of ignition is eliminated. Additionally, there is no risk of toxic gas generation due to the absence of sulfides, chlorides, and fluorides.
  • Free from rare metals
    Contains no rare metals such as lithium, nickel, or cobalt.
  • Battery design flexibility
    Supports easy integration, scalability to larger sizes, and high-capacity configurations, providing flexibility for various battery designs.
  • Chargeable with a low current
    Supports charging at low current rates, enabling maintenance-free power generation and storage systems when combined with energy harvesting technology.
  • High over-discharge resistance
    Consists of materials highly resistant to over-discharge, ensuring the battery does not deteriorate even when discharged to 0V.

Specifications

Standard Battery

Properties

Nominal voltage:
  • 3V
Nominal capacity:
  • 200mAh
  • Custom specifications, including higher capacity, are available upon request.

Heat-resistant battery

Structure of heat-resistant package

The package structure ensures a high degree of hermeticity through glass sealing technology.

figure of structure of heat-resistant package

Charge-discharge cycle test data (200°C)

Demonstrates excellent charge-discharge cycle properties under high-temperature conditions of 200°C.

figure of charge-discharge cycle test data

High-speed charge-discharge test data (200°C)

Capable of high-speed charge-discharge cycles at a rate of 20C under high-temperature conditions of 200°C.

Charge rate test *1
figure of charge rate test data
Discharge rate test*2
figure of discharge rate test data
  • Charge rate test: Charge curves obtained from performing 4.5V-CCCV charging at different rates from a discharged state
  • Discharge rate test: Discharge curves obtained from performing 1.5V-CC discharging at different rates from a charged state
Properties
Properties High heat-resistant battery1 High heat-resistant battery2
Dimensions Length mm 16 60
Width mm 15 50
Thickness mm 1 1
Weight g 0.7 5
Nominal voltage V 2.9 2.9
Nominal capacity mAh 0.4 4
Charge (CCCV) Upper voltage limit V 4.5 4.5
Temperature range ℃ 0～+200*1 0～+200*1
Discharge (CC) Discharge cutoff voltage V 1.5*2 1.5*2
Temperature range ℃ -40～+200*1 -40～+200*1
  • The battery can withstand temperatures above 200°C and can be used at 300°C for short periods.
  • The material's resistance to over-discharge ensures that the battery does not deteriorate even when discharged to 0V.

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