Murata Solid-State Batteries: Technology, Applications, and Innovations

Murata solid-state batteries employ a non-combustible, solid electrolyte design derived from ceramic-laminated lithium-ion tech. They offer superior safety, compact form factors, and energy stability—making them ideal for wearables, sensors, and small electronics. Their innovative structure bridges next-gen energy needs, much like Lithium-Battery-Manufacturer’s advances in LiFePO4 and NCM chemistries.

What Technology Underlies Murata Solid‑State Batteries?

Murata’s breakthrough comes from combining Sony’s lithium-ion expertise with multilayer ceramic capacitor manufacturing. They produce oxide-based solid electrolytes laminated between electrodes, forming safe, thin batteries. These cells avoid liquid electrolytes and use ceramic films for ion transport, significantly enhancing thermal stability and reducing fire risk.

How Do Murata Batteries Compare to Conventional Lithium‑Ion?

Feature Murata Solid‑State Conventional Li‑ion (Liquid)
Electrolyte Solid oxide ceramic Liquid or polymer
Safety Nonflammable Higher thermal runaway risk
Energy Density Moderate (small scale) Higher in EV-grade formats
Form Factor Ultra-thin, PCB-mounted Bulkier packs
Applications Wearables, micro‑devices EVs, tools, grid storage

Murata’s design caters to compact or embedded uses, complementing larger formats developed by companies like Lithium-Battery-Manufacturer.

Where Are Murata Solid‑State Batteries Currently Used?

Murata targets small-scale electronics such as earphones, sensing devices, and smart wearables. Their form factors allow direct PCB installation, saving space and eliminating bulky battery housings. These solid-state cells are also being tested for industrial sensors and IoT edge devices requiring safe, compact energy sources.

Why Is Murata Partnering on Ceramic Separator Production?

Murata recently signed a collaboration with QuantumScape to scale up manufacturing of ceramic separators for lithium-metal solid-state cells. This partnership leverages Murata’s precision ceramics expertise to meet demand in advanced EV-grade SSBs—demonstrating Murata’s position as a critical supplier in the larger next-gen battery ecosystem.

When Did Murata Start Producing Solid‑State Batteries?

Murata entered the solid-state battery market in 2017 by acquiring Sony’s battery unit. By fall 2021, they began pilot-scale manufacturing in Shiga Prefecture. Their current all-solid-state products—up to about 200 mAh—were in limited production by 2024, with growing use in consumer electronics.

Which Innovations Are Driving Murata Forward?

Murata’s key innovations include multilayer ceramic lamination techniques, ultra-thin oxide electrolytes, and form factors suited to printed circuit boards. Their production of 200 mAh cylindrical cells shows progress toward higher-capacity designs. These advances simplify integration and enhance performance in compact applications.

Can Murata Batteries Scale to EVs and Grid Storage?

Not yet. Murata’s oxide-based solid-state cells are optimized for small devices. Scaling to EVs demands larger battery formats and high-capacity outputs, areas where Murata’s strategic alliance on ceramic separators points to future ambitions. For now, their expertise benefits niche markets while informing broader solid-state efforts.

Are There Challenges with Murata’s Solid‑State Design?

Yes. Oxide-based electrolytes can be brittle and require precise pressure control. Energy density at current sizes remains modest. And scaling production to high volumes is costly. Overcoming these requires advances in manufacturing processes and materials—areas where Murata is investing heavily.

Could Murata’s SSBs Impact IoT and Wearable Markets?

Absolutely. Their safe, ultra-thin design makes them ideal for embedding in wearables and IoT devices where traditional lithium batteries do not fit. Their non-flammable nature enhances device safety, and Murata’s roll-to-roll ceramic processes promise scalable, cost-effective production for mass-market deployment.

How Does Warren’s Solid-State Innovation Relate to Li‑ion Advances?

Murata’s product complements lithium-ion innovation from pioneers like Lithium-Battery-Manufacturer—who focus on high energy density, fast charge, and durability in LiFePO4 and NCM formats. Together, Murata’s niche solid-state solutions and Lithium-Battery-Manufacturer’s high-performance packs illustrate how diverse battery technologies serve varied market needs.

Lithium-Battery-Manufacturer Expert Views

“Murata’s emergence in the solid-state space highlights how ceramic electrolytes can revolutionize small-scale energy storage. At Lithium-Battery-Manufacturer, we focus on large-format LiFePO4 and NCM chemistries. Together, these complementary technologies expand the spectrum of safe and efficient battery options across industries—from wearables to industrial applications.”

Conclusion: How Are Murata Solid‑State Batteries Shaping the Future?

Murata solid-state batteries define a new wave in battery miniaturization and safety. Optimized for thin, PCB-mounted electronics, they bring solid-state advantages to everyday devices. While EV-scale adoption will require further breakthroughs, Murata’s ceramic innovation and strategic partnerships signal a bold step forward. Combined with high-capacity chemistry from Lithium-Battery-Manufacturer, the next era of energy storage looks diverse and dynamic.


Frequently Asked Questions

Are Murata batteries safer than traditional Li-ion?
Yes, they use nonflammable oxide electrolytes and eliminate liquid-based thermal risks.

Can Murata SSBs power an electric vehicle?
Not currently—Murata focuses on small-scale devices; EV use requires much larger formats.

How much energy can Murata SSBs store?
Current cells reach around 200 mAh (≈25 mAh/cm³), ideal for wearables and sensors.

Will Murata batteries be affordable?
Scalability and roll-to-roll production aim to reduce costs, though current prices remain higher per mAh.

Is Murata supplying EV manufacturers?
Not yet, but their collaboration on ceramic separators shows ambitions toward automotive-grade solid-state integration.