Camille Alphonse Faure

Lore & Background

Camille Alphonse Faure was born at Vizille and trained at the Ecole des Arts et Métiers at Aix. From 1874 until about 1880, he worked as a chemist at the new factory of the Cotton Powder Company at Uplees, Faversham, Kent, England. While there, he and the factory manager, George Trench, took out patents for tonite, a new high explosive (1874), and an improved dynamite detonator (1878).

In 1880, Faure patented a method of coating lead plates with a paste of lead oxides, sulphuric acid and water, which was then cured by gentle warming in a humid atmosphere. The curing process caused the paste to change to a mixture of lead sulphates that adhered to the lead plate. During charging, the cured paste was converted into electrochemically active material (the 'active mass'), giving a substantial increase in capacity compared with Planté's battery.

Faure's improvements led directly to the industrial manufacture of lead-acid batteries. The patents were assigned to the Société La Force et la Lumière. The right to use the patents in the British Isles were sold to the Faure Electric Accumulator Company on 29 March 1881. Faure was a consultant engineer with William Edward Ayrton for this company. Towards the end of his life, Faure was granted further patents, among them ones for the manufacture of aluminium alloys, improvements to hot air engines, and motor vehicle steering mechanisms.

Reader's Guide

Camille Alphonse Faure's significance lies in his 1881 improvement of the lead-acid battery, which transformed a laboratory curiosity into a practical, industrially manufactured power source. By coating lead plates with a paste that cured into electrochemically active material, he dramatically increased the battery's capacity compared to Gaston Planté's original 1859 design. This breakthrough enabled the large-scale production of lead-acid batteries, which later became essential for starting motor cars and for many other applications. Faure's work also illustrates the transfer of technology across borders: his patents were assigned to a French company, and the rights for the British Isles were sold to the Faure Electric Accumulator Company, where he served as a consultant engineer alongside William Edward Ayrton. Beyond batteries, Faure's inventive career included patents for explosives (tonite and an improved dynamite detonator, developed with George Trench), aluminium alloys, hot air engines, and motor vehicle steering mechanisms. His legacy is that of a practical engineer whose focused innovation had a lasting impact on energy storage and industrial chemistry.

Did You Know?

• Faure's 1881 improvements to the lead-acid battery greatly increased its capacity and led directly to industrial-scale manufacture.
• He patented a method of coating lead plates with a paste of lead oxides, sulphuric acid and water, cured by gentle warming in a humid atmosphere.
• The right to use Faure's battery patents in the British Isles was sold to the Faure Electric Accumulator Company on 29 March 1881.
• Earlier in his career, Faure and factory manager George Trench patented tonite (a new high explosive) in 1874 and an improved dynamite detonator in 1878.

The Pasted-Plate Revolution

Faure's most consequential contribution arrived in 1880, when he patented a technique for constructing lead-acid battery plates that would transform the technology from a laboratory curiosity into a practical power source. Rather than relying on Gaston Planté's original 1859 design, Faure devised a method of applying a paste composed of lead oxides, sulphuric acid, and water onto lead plates. The critical innovation lay in the curing step: the coated plates were gently warmed in a humid environment, a process that converted the paste into a mixture of lead sulphates firmly bonded to the plate surface. When the battery was subsequently charged, this cured layer transformed into what Faure termed the "active mass"—electrochemically active material that delivered a substantial jump in capacity over Planté's earlier construction. This single breakthrough is widely regarded as the pivotal step that made large-scale, industrial production of lead-acid batteries feasible, a technology that would eventually become indispensable for starting motor vehicles.

From Patent to Factory Floor

The leap from a promising laboratory technique to a commercially viable product required careful navigation of the patent and corporate landscape. Faure's battery patents were assigned to the French firm Société La Force et la Lumière, positioning the company to exploit the technology domestically. On 29 March 1881, the rights for the British Isles were transferred to the Faure Electric Accumulator Company, a move that opened the door to manufacturing and distribution on the other side of the Channel. Faure himself took on a role as consultant engineer for William Edward Ayrton in connection with this British venture, lending his technical expertise to the early stages of industrial production. This commercial architecture—French ownership of the core patents, a dedicated British licensee, and a hands-on consultant bridging the two—demonstrates how Faure's 1880 breakthrough was translated into the first large-scale manufacture of lead-acid batteries, establishing a template for international technology licensing that would influence the electrical industry for decades to come.

The Explosives Years in Kent

Before his name became synonymous with battery technology, Faure spent roughly six years immersed in the world of chemical explosives. From 1874 until approximately 1880, he worked as a chemist at the newly established Cotton Powder Company factory in Uplees, Faversham, in the English county of Kent. In that industrial setting, he collaborated with the factory manager George Trench on two notable patents: one in 1874 for tonite, a newly formulated high explosive, and another in 1878 for an improved dynamite detonator. These projects placed him at the intersection of practical chemistry and engineering, giving him deep familiarity with the handling of reactive compounds, the importance of controlled curing and processing, and the demands of factory-scale production. That background in chemical manufacturing and process optimization would prove directly transferable when he turned his attention to the lead-acid battery, where the precise control of paste composition, curing conditions, and electrochemical conversion would be the keys to his breakthrough.

A Broad Engineering Curiosity

Faure's inventive output extended well beyond the single domain that made him famous. In the later years of his life, he was granted additional patents covering a range of engineering topics that reveal a wide-ranging technical curiosity. Among these were inventions related to the manufacture of aluminium alloys, suggesting an interest in lightweight structural materials at a time when aluminium was still a relatively novel metal. He also pursued improvements to hot air engines, indicating an engagement with alternative approaches to mechanical power generation. Perhaps most tellingly, he patented a motor vehicle steering mechanism, a design that placed him squarely at the frontier of the emerging automobile industry. These later patents, taken together with his earlier work in explosives and batteries, paint a picture of a chemical engineer who saw the boundaries between disciplines as permeable and who continued to seek practical solutions across multiple fields of applied science until his death on 14 September 1898.