HomePatents & Recognition

Protected innovation.Recognised science.

Cellark’s porous-silicon technology is backed by a growing intellectual-property portfolio — and supported by India’s leading research institutions, government bodies and industry.

5 patents2 granted · 3 filedPoroSil™ registered trademark

Patent portfolio0

Patents across the Cellark innovation portfolio

Granted0

Patents granted

Filed0

Patent applications filed

Trademark0

PoroSil™ registered with the Govt. of India

Patent portfolio

The IP behindPoroSil™.

Our patents protect the key steps that make PoroSil™ work — from forming porous silicon to stabilising and integrating it into battery-ready composites.

Granted

PATENT 01

Porous silicon structure

Process for forming porous, micron-scale silicon with internal space for expansion.

No. On requestYear —

Granted

PATENT 02

Silicon–carbon composite

Carbon-integrated silicon composite for reliable conductivity in lithium-ion anodes.

No. On requestYear —

Filed

PATENT 03

Surface stabilisation

Surface treatment to limit side reactions and preserve particle integrity.

Application On requestStatus Pending

Filed

PATENT 04

Scalable production process

Manufacturing route designed for pilot and industrial-scale anode production.

Application On requestStatus Pending

Filed

PATENT 05

Battery electrode application

Integration of silicon–carbon material into lithium-ion battery electrodes.

Application On requestStatus Pending

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Patent numbers, filing details and licensing conversations are shared with qualified partners on request.

Registered trademark

PoroSil™ is officiallyregistered in India.

PoroSil^TM

Trade Mark No.: 5461095
Class: Class 1
Registered on: 24 May 2022
Registry: Trade Marks Registry, Mumbai · Government of India
Proprietor: Cellark Powertech Private Limited
Goods covered: Silicon, pure silicon, industrial silicon, silicon powder, silicon anode powder for lithium batteries, and silicon for industrial purposes.

Supported by

Backed by India’s leadinginstitutions & industry.

From national research laboratories and government ministries to industry leaders and incubators — partners who believe in building India’s silicon-anode future.

Battery pack with IndianOil and Cellark branding — Cellark × IndianOil

Equipment supported by IOCL at Cellark — Supported by IOCL

Industry partner

Supported by Indian Oil Corporation Ltd.

IndianOil’s support has helped Cellark strengthen its research and pilot capabilities — from lab equipment to battery prototypes carrying both brands — as we work to bring Indian-made silicon anode materials to market.

Research institution

CSIR – CECRI

Central Electrochemical Research Institute — India’s national laboratory for electrochemistry and battery research.

Government of India

Ministry of Mines

Support for critical-mineral and advanced-material innovation under the Government of India.

Research & development

JNARDDC

Jawaharlal Nehru Aluminium Research Development and Design Centre — a Ministry of Mines R&D institution.

Innovation platform

Social Alpha

A platform that supports science and technology start-ups building solutions for India’s big challenges.

State recognition

Startup Odisha

Recognised by the Government of Odisha’s start-up initiative.

Academic origin

IIT Bhubaneswar

Where our research began — and home to our registered office at the Research & Entrepreneurship Park.